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All questions of Input and Output Device for Bank Exams Exam
___________ is a type of input device that is used in bank for cheques Processing.- a)Joystick
- b)Penball
- c)Scanner
- d)MICR
- e)Bar code Reader
Correct answer is option 'D'. Can you explain this answer?
___________ is a type of input device that is used in bank for cheques Processing.
a)
Joystick
b)
Penball
c)
Scanner
d)
MICR
e)
Bar code Reader
|
Learnpro Institute answered |
Important Points
- MICR stands for Magnetic Ink Card Reader.
- MICR input device is generally used in banks.
- In banks, there are a large number of Cheques need to Processed daily.
- On cheques, the bank code number and cheque number have been printed.
- And the ink through which it is Prints is a special type of ink containing magnetic particles.
- MICR is used to read that ink.
Which device converts human-understandable data and programs into a form that computers can understand and process?- a)Output
- b)Monitor
- c)Input
- d)All the above
- e)None of the above
Correct answer is option 'C'. Can you explain this answer?
Which device converts human-understandable data and programs into a form that computers can understand and process?
a)
Output
b)
Monitor
c)
Input
d)
All the above
e)
None of the above
|
Kabir Verma answered |
Input device converts human-understandable data and programs into a form that computers can understand and process.
Wireless mouse communicates through ____________.- a)radiowaves
- b)infrared wave
- c)microwaves
- d)Electromagnetic signal
- e)electric signal
Correct answer is option 'A'. Can you explain this answer?
Wireless mouse communicates through ____________.
a)
radiowaves
b)
infrared wave
c)
microwaves
d)
Electromagnetic signal
e)
electric signal
|
Varun Dasgupta answered |
Wireless mouse communicates through radiowaves.
Wireless mice are popular peripherals that provide users with the freedom to move around without being restricted by a physical cable. These devices use various technologies to communicate with the computer, and one of the most common methods is through radiowaves.
Here's a detailed explanation of why wireless mice communicate through radiowaves:
1. Wireless Mouse Technology:
- Wireless mice utilize radio frequency (RF) technology to transmit and receive data wirelessly.
- The mouse contains a transmitter that sends signals to a receiver, usually a USB dongle connected to the computer.
- The receiver picks up the signals and translates them into commands that the computer can understand.
2. Radio Frequency Communication:
- Radio frequency is a type of electromagnetic radiation that includes radiowaves.
- Radiowaves have relatively long wavelengths and low frequencies, allowing them to carry signals over long distances without significant loss.
- This makes radiowaves suitable for wireless communication between devices.
3. Advantages of Radiowaves:
- Radiowaves can penetrate through walls and obstacles, enabling users to control their computers from a distance.
- They have a wide coverage range, allowing users to operate the mouse even when they are not in close proximity to the computer.
- Radiowaves have less interference compared to other wireless technologies such as infrared waves.
- They can support multiple devices simultaneously without interference issues.
4. Mouse and Receiver Pairing:
- Wireless mice and their receivers are designed to work together in a specific frequency range.
- The mouse and receiver are paired during the initial setup process to ensure secure and reliable communication.
- Once paired, the mouse and receiver establish a dedicated communication channel using radiowaves.
In conclusion, wireless mice communicate through radiowaves because of their long range, low interference, and ability to penetrate obstacles. Radiowaves provide the necessary wireless connectivity between the mouse and the computer, enabling users to control their devices from a distance without the need for a physical connection.
Wireless mice are popular peripherals that provide users with the freedom to move around without being restricted by a physical cable. These devices use various technologies to communicate with the computer, and one of the most common methods is through radiowaves.
Here's a detailed explanation of why wireless mice communicate through radiowaves:
1. Wireless Mouse Technology:
- Wireless mice utilize radio frequency (RF) technology to transmit and receive data wirelessly.
- The mouse contains a transmitter that sends signals to a receiver, usually a USB dongle connected to the computer.
- The receiver picks up the signals and translates them into commands that the computer can understand.
2. Radio Frequency Communication:
- Radio frequency is a type of electromagnetic radiation that includes radiowaves.
- Radiowaves have relatively long wavelengths and low frequencies, allowing them to carry signals over long distances without significant loss.
- This makes radiowaves suitable for wireless communication between devices.
3. Advantages of Radiowaves:
- Radiowaves can penetrate through walls and obstacles, enabling users to control their computers from a distance.
- They have a wide coverage range, allowing users to operate the mouse even when they are not in close proximity to the computer.
- Radiowaves have less interference compared to other wireless technologies such as infrared waves.
- They can support multiple devices simultaneously without interference issues.
4. Mouse and Receiver Pairing:
- Wireless mice and their receivers are designed to work together in a specific frequency range.
- The mouse and receiver are paired during the initial setup process to ensure secure and reliable communication.
- Once paired, the mouse and receiver establish a dedicated communication channel using radiowaves.
In conclusion, wireless mice communicate through radiowaves because of their long range, low interference, and ability to penetrate obstacles. Radiowaves provide the necessary wireless connectivity between the mouse and the computer, enabling users to control their devices from a distance without the need for a physical connection.
The first computer mouse was developed by _____________.- a)Douglas Engelbart
- b)William English
- c)Daniel Cougher
- d)Robert Zawaski
- e)William Henry
Correct answer is option 'A'. Can you explain this answer?
The first computer mouse was developed by _____________.
a)
Douglas Engelbart
b)
William English
c)
Daniel Cougher
d)
Robert Zawaski
e)
William Henry
|
|
Kabir Verma answered |
Development of the mouse began in the early 1960s by SRI International's Douglas Engelbart, while he was exploring the interactions between humans and computers. Bill English, then the chief engineer at SRI, built the first computer mouse prototype in 1964.
The number of function keys in a keyboard is _____________-.- a)14
- b)12
- c)13
- d)11
- e)15
Correct answer is option 'B'. Can you explain this answer?
The number of function keys in a keyboard is _____________-.
a)
14
b)
12
c)
13
d)
11
e)
15
|
Anushka Choudhury answered |
Number of Function Keys in a Keyboard
Introduction:
Function keys are a set of keys on a computer keyboard that have special functions assigned to them. These keys are usually located at the top row of the keyboard, numbered as F1, F2, F3, and so on. Each key can perform a specific function when pressed, depending on the software or operating system being used.
Explanation:
The number of function keys in a keyboard can vary depending on the type and design of the keyboard. However, the most common number of function keys found on a standard keyboard is 12.
Identifying the Correct Answer:
Let's analyze the given options to determine the correct answer.
a) 14 - This option suggests that there are 14 function keys on a keyboard. However, this is not the standard number of function keys and is not correct.
b) 12 - This option suggests that there are 12 function keys on a keyboard. This is the most commonly accepted number of function keys on a standard keyboard, making it the correct answer.
c) 13 - This option suggests that there are 13 function keys on a keyboard. This is not the standard number of function keys and is not correct.
d) 11 - This option suggests that there are 11 function keys on a keyboard. This is not the standard number of function keys and is not correct.
e) 15 - This option suggests that there are 15 function keys on a keyboard. This is not the standard number of function keys and is not correct.
Conclusion:
The correct answer is option 'b', which states that there are 12 function keys on a keyboard. These keys are labeled as F1, F2, F3, and so on, and perform various functions depending on the software or operating system being used.
Introduction:
Function keys are a set of keys on a computer keyboard that have special functions assigned to them. These keys are usually located at the top row of the keyboard, numbered as F1, F2, F3, and so on. Each key can perform a specific function when pressed, depending on the software or operating system being used.
Explanation:
The number of function keys in a keyboard can vary depending on the type and design of the keyboard. However, the most common number of function keys found on a standard keyboard is 12.
Identifying the Correct Answer:
Let's analyze the given options to determine the correct answer.
a) 14 - This option suggests that there are 14 function keys on a keyboard. However, this is not the standard number of function keys and is not correct.
b) 12 - This option suggests that there are 12 function keys on a keyboard. This is the most commonly accepted number of function keys on a standard keyboard, making it the correct answer.
c) 13 - This option suggests that there are 13 function keys on a keyboard. This is not the standard number of function keys and is not correct.
d) 11 - This option suggests that there are 11 function keys on a keyboard. This is not the standard number of function keys and is not correct.
e) 15 - This option suggests that there are 15 function keys on a keyboard. This is not the standard number of function keys and is not correct.
Conclusion:
The correct answer is option 'b', which states that there are 12 function keys on a keyboard. These keys are labeled as F1, F2, F3, and so on, and perform various functions depending on the software or operating system being used.
A projector is an ____________ device that can take images generated by a computer and reproduce them on a large, flat surface.- a)input
- b)output
- c)input and output
- d)monitor input
- e)None of the above
Correct answer is option 'B'. Can you explain this answer?
A projector is an ____________ device that can take images generated by a computer and reproduce them on a large, flat surface.
a)
input
b)
output
c)
input and output
d)
monitor input
e)
None of the above
|
|
Sparsh Mehta answered |
Introduction:
A projector is a device that takes images generated by a computer and reproduces them on a large, flat surface. It is commonly used in presentations, classrooms, and home theaters to display content such as slideshows, videos, and movies. In this question, we are asked to identify the correct category for a projector in terms of its function.
Explanation:
To understand the correct answer, let's break down the options given.
a) Input:
An input device is used to provide data or instructions to a computer system. Examples of input devices include keyboards, mice, and scanners. While a projector can receive input signals from a computer, it does not function solely as an input device. Therefore, option 'a' is incorrect.
b) Output:
An output device is used to display or present information from a computer system. Examples of output devices include monitors, printers, and speakers. A projector fits the definition of an output device as it takes images generated by a computer and reproduces them on a large, flat surface, such as a projection screen or wall. Therefore, option 'b' is correct.
c) Input and Output:
This option suggests that a projector functions as both an input and output device. While a projector can receive input signals from a computer, its primary function is to display or present the information, making it predominantly an output device. Therefore, option 'c' is not the best choice.
d) Monitor Input:
This option is not applicable to projectors as they are not specifically designed to be connected to a monitor input. A projector typically has its own input ports, such as HDMI or VGA, to connect directly to a computer or other video sources. Therefore, option 'd' is incorrect.
e) None of the above:
This option suggests that none of the given options accurately describe a projector. However, option 'b' (output) correctly characterizes a projector's function, making option 'e' incorrect.
Conclusion:
Based on the above analysis, the correct answer is option 'b' - output. A projector is an output device that can take images generated by a computer and reproduce them on a large, flat surface.
A projector is a device that takes images generated by a computer and reproduces them on a large, flat surface. It is commonly used in presentations, classrooms, and home theaters to display content such as slideshows, videos, and movies. In this question, we are asked to identify the correct category for a projector in terms of its function.
Explanation:
To understand the correct answer, let's break down the options given.
a) Input:
An input device is used to provide data or instructions to a computer system. Examples of input devices include keyboards, mice, and scanners. While a projector can receive input signals from a computer, it does not function solely as an input device. Therefore, option 'a' is incorrect.
b) Output:
An output device is used to display or present information from a computer system. Examples of output devices include monitors, printers, and speakers. A projector fits the definition of an output device as it takes images generated by a computer and reproduces them on a large, flat surface, such as a projection screen or wall. Therefore, option 'b' is correct.
c) Input and Output:
This option suggests that a projector functions as both an input and output device. While a projector can receive input signals from a computer, its primary function is to display or present the information, making it predominantly an output device. Therefore, option 'c' is not the best choice.
d) Monitor Input:
This option is not applicable to projectors as they are not specifically designed to be connected to a monitor input. A projector typically has its own input ports, such as HDMI or VGA, to connect directly to a computer or other video sources. Therefore, option 'd' is incorrect.
e) None of the above:
This option suggests that none of the given options accurately describe a projector. However, option 'b' (output) correctly characterizes a projector's function, making option 'e' incorrect.
Conclusion:
Based on the above analysis, the correct answer is option 'b' - output. A projector is an output device that can take images generated by a computer and reproduce them on a large, flat surface.
A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called _______________.- a)Output device
- b)Input device
- c)Memory
- d)Both a and b
- e)Both b and c
Correct answer is option 'B'. Can you explain this answer?
A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called _______________.
a)
Output device
b)
Input device
c)
Memory
d)
Both a and b
e)
Both b and c
|
|
Diya Choudhary answered |
Input device
An input device is a hardware component or peripheral that allows users to feed data into a computer for analysis and storage, as well as to give commands to the computer. It is an essential part of the computer system as it enables users to interact with the computer and provide it with the necessary instructions and information.
Examples of input devices:
- Keyboard: A keyboard is a common input device that allows users to input text and commands by pressing the keys. It is the most basic and widely used input device for computers.
- Mouse: A mouse is another popular input device that allows users to control the movement of the cursor on the computer screen. It enables the user to select and interact with objects on the screen.
- Scanner: A scanner is an input device used to convert physical documents and images into digital format. It captures the information from the document or image and transfers it to the computer for storage or further processing.
- Microphone: A microphone is an input device that allows users to input audio or voice commands into the computer. It is commonly used for tasks such as voice recognition, audio recording, and communication.
- Touchscreen: A touchscreen is an input device that allows users to interact with the computer by directly touching the screen. It is commonly found in smartphones, tablets, and some laptops.
- Joystick: A joystick is an input device commonly used in gaming systems. It allows users to control the movement and actions of characters or objects in video games.
Importance of input devices:
Input devices play a crucial role in computer systems as they enable users to input data and commands, which are essential for the computer to perform tasks and functions. Without input devices, users would not be able to interact with the computer effectively, limiting its usability and functionality.
Furthermore, input devices facilitate the transfer of information from the physical world to the digital world. They allow users to input data from various sources, such as physical documents, images, audio, and user actions, into the computer system. This data can then be processed, analyzed, and stored for further use.
In conclusion, an input device is a device that allows users to feed data into a computer for analysis and storage, as well as to give commands to the computer. It is an essential component of the computer system, enabling users to interact with the computer and provide it with the necessary instructions and information.
An input device is a hardware component or peripheral that allows users to feed data into a computer for analysis and storage, as well as to give commands to the computer. It is an essential part of the computer system as it enables users to interact with the computer and provide it with the necessary instructions and information.
Examples of input devices:
- Keyboard: A keyboard is a common input device that allows users to input text and commands by pressing the keys. It is the most basic and widely used input device for computers.
- Mouse: A mouse is another popular input device that allows users to control the movement of the cursor on the computer screen. It enables the user to select and interact with objects on the screen.
- Scanner: A scanner is an input device used to convert physical documents and images into digital format. It captures the information from the document or image and transfers it to the computer for storage or further processing.
- Microphone: A microphone is an input device that allows users to input audio or voice commands into the computer. It is commonly used for tasks such as voice recognition, audio recording, and communication.
- Touchscreen: A touchscreen is an input device that allows users to interact with the computer by directly touching the screen. It is commonly found in smartphones, tablets, and some laptops.
- Joystick: A joystick is an input device commonly used in gaming systems. It allows users to control the movement and actions of characters or objects in video games.
Importance of input devices:
Input devices play a crucial role in computer systems as they enable users to input data and commands, which are essential for the computer to perform tasks and functions. Without input devices, users would not be able to interact with the computer effectively, limiting its usability and functionality.
Furthermore, input devices facilitate the transfer of information from the physical world to the digital world. They allow users to input data from various sources, such as physical documents, images, audio, and user actions, into the computer system. This data can then be processed, analyzed, and stored for further use.
In conclusion, an input device is a device that allows users to feed data into a computer for analysis and storage, as well as to give commands to the computer. It is an essential component of the computer system, enabling users to interact with the computer and provide it with the necessary instructions and information.
What is a QWERTY keyboard?- a)is the most popular keyboard
- b)is the fastest keyboard
- c)Is a keyboard that is rarely used
- d)All of the above
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
What is a QWERTY keyboard?
a)
is the most popular keyboard
b)
is the fastest keyboard
c)
Is a keyboard that is rarely used
d)
All of the above
e)
None of these
|
|
Sameer Yadav answered |
QWERTY keyboard is the most popular keyboard used worldwide. It is named after the first six letters on the top left row of keys on the keyboard. This keyboard is widely used in computers, laptops, and mobile phones. It has been in use for over 150 years and has become the standard keyboard layout.
Advantages of QWERTY keyboard:
1. Familiarity: As it is the most popular keyboard, most people are familiar with its layout, making it easy to use.
2. Ease of typing: The keys are arranged in a way that makes typing easier, and users can type faster using this keyboard than other keyboards.
3. Availability: QWERTY keyboards are widely available and can be found in most electronic devices.
4. Compatibility: The keyboard is compatible with most software and operating systems, making it easy to use with different devices.
Disadvantages of QWERTY keyboard:
1. Not ergonomically designed: The QWERTY keyboard is not designed to reduce the risk of repetitive strain injury, making it uncomfortable to use for long periods.
2. Slow typing speed: Although it is faster than other keyboards, it is still slower than other alternatives.
In conclusion, the QWERTY keyboard is the most popular and widely used keyboard layout worldwide. Its familiarity, ease of use, availability, and compatibility make it the preferred choice for most users. However, it is not ergonomically designed, which can cause discomfort and slow typing speed.
Advantages of QWERTY keyboard:
1. Familiarity: As it is the most popular keyboard, most people are familiar with its layout, making it easy to use.
2. Ease of typing: The keys are arranged in a way that makes typing easier, and users can type faster using this keyboard than other keyboards.
3. Availability: QWERTY keyboards are widely available and can be found in most electronic devices.
4. Compatibility: The keyboard is compatible with most software and operating systems, making it easy to use with different devices.
Disadvantages of QWERTY keyboard:
1. Not ergonomically designed: The QWERTY keyboard is not designed to reduce the risk of repetitive strain injury, making it uncomfortable to use for long periods.
2. Slow typing speed: Although it is faster than other keyboards, it is still slower than other alternatives.
In conclusion, the QWERTY keyboard is the most popular and widely used keyboard layout worldwide. Its familiarity, ease of use, availability, and compatibility make it the preferred choice for most users. However, it is not ergonomically designed, which can cause discomfort and slow typing speed.
The number of pixels displayed on the computer screen is called __________.- a)color depth
- b)resolution
- c)refresh rate
- d)viewing size
- e)portrait
Correct answer is option 'B'. Can you explain this answer?
The number of pixels displayed on the computer screen is called __________.
a)
color depth
b)
resolution
c)
refresh rate
d)
viewing size
e)
portrait
|
|
Kabir Verma answered |
The number of pixels displayed per unit of length in an image is called the image resolution, usually measured in pixels per inch (PPI).
Joysticks typically have a button on __________that is used to select the option pointed by the cursor.- a)Bottom
- b)Left
- c)Right
- d)Top
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
Joysticks typically have a button on __________that is used to select the option pointed by the cursor.
a)
Bottom
b)
Left
c)
Right
d)
Top
e)
All of the above
|
|
Anirban Mehta answered |
Understanding Joystick Functionality
Joysticks are widely used gaming and control devices, featuring multiple buttons that enhance user interaction. The question highlights the various positions of buttons on a joystick and the correct answer, "All of the above," indicates that buttons can be located at multiple positions.
Button Positions on Joysticks
- BOTTOM: Many joysticks have a button located at the bottom, easily reachable with the thumb while gripping the joystick.
- LEFT: Some models include a button on the left side, allowing for quick access while using the joystick.
- RIGHT: Similarly, buttons on the right side provide options for right-handed users or specific control functions.
- TOP: The top of the joystick often features buttons that are used for primary actions, such as selecting or confirming choices.
Conclusion
The presence of buttons in various locations maximizes user convenience and functionality. This versatility ensures that users can select options swiftly, regardless of their grip or hand preference. Thus, the answer "All of the above" is correct, as joysticks can indeed have buttons in all these positions to facilitate user interaction effectively.
Joysticks are widely used gaming and control devices, featuring multiple buttons that enhance user interaction. The question highlights the various positions of buttons on a joystick and the correct answer, "All of the above," indicates that buttons can be located at multiple positions.
Button Positions on Joysticks
- BOTTOM: Many joysticks have a button located at the bottom, easily reachable with the thumb while gripping the joystick.
- LEFT: Some models include a button on the left side, allowing for quick access while using the joystick.
- RIGHT: Similarly, buttons on the right side provide options for right-handed users or specific control functions.
- TOP: The top of the joystick often features buttons that are used for primary actions, such as selecting or confirming choices.
Conclusion
The presence of buttons in various locations maximizes user convenience and functionality. This versatility ensures that users can select options swiftly, regardless of their grip or hand preference. Thus, the answer "All of the above" is correct, as joysticks can indeed have buttons in all these positions to facilitate user interaction effectively.
The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.- a)Parallel
- b)Horizontal
- c)Straight
- d)Vertical
- e)None of the above
Correct answer is option 'D'. Can you explain this answer?
The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.
a)
Parallel
b)
Horizontal
c)
Straight
d)
Vertical
e)
None of the above
|
Paradigm Institute answered |
A joystick is a control device used in video games, virtual reality systems, and other applications. It consists of a stick that can be moved in different directions. The stick typically has a vertical orientation, meaning it stands upright.
When the joystick is moved in any direction, the corresponding movements are detected and translated into input signals by the system it is connected to. In the context of controlling a graphic cursor, such as in a computer or gaming system, moving the joystick up or down causes the cursor to move vertically on the screen.
Therefore, when you move the joystick stick upwards, the graphic cursor will move upwards as well, and when you move the joystick stick downwards, the cursor will move downwards. The vertical motion of the joystick stick controls the vertical movement of the graphic cursor.
Which of the following is single user computer with many features and good Processing power?- a)Minicomputer
- b)Workstation
- c)Macintosh
- d)All of the above
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Which of the following is single user computer with many features and good Processing power?
a)
Minicomputer
b)
Workstation
c)
Macintosh
d)
All of the above
e)
None of these
|
|
Learnpro Institute answered |
A workstation is a special computer designed for technical or scientific applications. Intended primarily to be used by one person at a time, they are commonly connected to a local area network and run multi-user operating systems.
BIOS stands for - a)Bias Integrated Output System
- b)Bias Integrated Operator System
- c)Basic Input Output Software
- d)Basic Input Output System
- e)None of the above
Correct answer is option 'D'. Can you explain this answer?
BIOS stands for
a)
Bias Integrated Output System
b)
Bias Integrated Operator System
c)
Basic Input Output Software
d)
Basic Input Output System
e)
None of the above
|
Knowledge Hub answered |
BIOS stands for basic input output system. It is the program which turns on every other feature of the computer when its power is switched on.
What type devices are computer speakers or headphones?- a)Input
- b)Input/Output
- c)Software
- d)Output
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
What type devices are computer speakers or headphones?
a)
Input
b)
Input/Output
c)
Software
d)
Output
e)
All of the above
|
Aim It Academy answered |
Computer speakers and headphones are output devices. They are used to reproduce sound generated by the computer or other audio sources. When audio data is processed by the computer's sound card or audio interface, it is sent to the speakers or headphones, which convert the electrical signals into audible sound waves.
Input devices are used to provide data or commands to the computer, such as keyboards, mice, or microphones. Speakers and headphones, on the other hand, receive audio signals from the computer and produce sound output, making them output devices.
Software refers to the programs and instructions that run on a computer, and it is not the correct categorization for computer speakers or headphones.
Therefore, the correct answer is D. Output.
USB refers to- a)a storage device
- b)a proccessor
- c)a port type
- d)a serial bus standard
- e)None of the above
Correct answer is option 'C'. Can you explain this answer?
USB refers to
a)
a storage device
b)
a proccessor
c)
a port type
d)
a serial bus standard
e)
None of the above
|
Learning Education answered |
USB stands for Universal Serial Bus. It refers to a standard port type that is widely used for connecting various devices to a computer or other electronic devices. USB ports are rectangular in shape and are commonly found on computers, laptops, gaming consoles, smartphones, and other devices.
USB ports provide a standardized interface for connecting devices such as external hard drives, keyboards, mice, printers, cameras, smartphones, and many other peripherals. They allow for data transfer, charging, and communication between the device and the host device (such as a computer).
USB also encompasses the USB cables and connectors that are used to establish the connection between devices. There have been different generations and revisions of USB, with each iteration offering improvements in speed, power delivery, and capabilities. USB has become the de facto standard for connecting and interconnecting devices due to its versatility and widespread adoption.
What type of device is a digital camera?- a)Input
- b)Output
- c)Software
- d)Storage
- e)None of the above
Correct answer is option 'A'. Can you explain this answer?
What type of device is a digital camera?
a)
Input
b)
Output
c)
Software
d)
Storage
e)
None of the above
|
Spectrum Coaching Institute answered |
Input devices are devices that allow users to input or capture data or information into a computer or electronic system. In the case of a digital camera, it captures images and videos through its lens and sensor, and then stores them in digital format such as JPEG, RAW, or other image file formats. These digital files can later be transferred to a computer or other storage devices for further processing, editing, or sharing.
Other examples of input devices include keyboards, mice, scanners, microphones, and graphics tablets. These devices allow users to input various types of data or information into a computer or electronic system.
Which of the following is an example of both an input and output device?- a)Monitor
- b)Keyboard
- c)USB flash drive
- d)Printer
- e)Touch Screen
Correct answer is option 'E'. Can you explain this answer?
Which of the following is an example of both an input and output device?
a)
Monitor
b)
Keyboard
c)
USB flash drive
d)
Printer
e)
Touch Screen
|
Iq Funda answered |
A touch screen is both an input and output device. It displays information (output) and allows the user to interact with the system by touching the screen (input).
Which of the following devices is primarily used for video conferencing?- a)Webcam
- b)Microphone
- c)Printer
- d)Projector
- e)Joystick
Correct answer is option 'A'. Can you explain this answer?
Which of the following devices is primarily used for video conferencing?
a)
Webcam
b)
Microphone
c)
Printer
d)
Projector
e)
Joystick
|
|
Learning Education answered |
A webcam is a video input device that captures live video and audio, allowing users to participate in video conferencing or make video calls.
What is the function of an input device?- a)To process data
- b)To delete data
- c)To store data
- d)To receive data
- e)To display data
Correct answer is option 'D'. Can you explain this answer?
What is the function of an input device?
a)
To process data
b)
To delete data
c)
To store data
d)
To receive data
e)
To display data
|
|
Aim It Academy answered |
An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Examples of input devices include keyboards, mice, scanners, digital cameras, and joysticks.
What type of output device is a projector?- a)Audio
- b)Visual
- c)Tactile
- d)Olfactory
- e)Gustatory
Correct answer is option 'B'. Can you explain this answer?
What type of output device is a projector?
a)
Audio
b)
Visual
c)
Tactile
d)
Olfactory
e)
Gustatory
|
Wizius Careers answered |
A projector is an output device that is primarily used to display visual content such as images, videos, presentations, and other multimedia onto a large screen or surface. It projects the visual output onto a screen or wall using light and lenses, allowing viewers to see the content in a larger format.
What do we call an input/output device on a computer, reserved for communication between the computer operator or maintenance engineer and the computer?- a)EDP Device
- b)Console
- c)Jokey
- d)Link Device
- e)None of the above
Correct answer is option 'B'. Can you explain this answer?
What do we call an input/output device on a computer, reserved for communication between the computer operator or maintenance engineer and the computer?
a)
EDP Device
b)
Console
c)
Jokey
d)
Link Device
e)
None of the above
|
Glance Learning Institute answered |
The correct term for an input/output device on a computer reserved for communication between the computer operator or maintenance engineer and the computer is a "Console." The console typically consists of a keyboard and a display screen that allows the operator or engineer to interact with the computer system.
Which of the following is not type of Plotter?- a)Drum plotter
- b)Flatbed plotter
- c)Inkjet Plotter
- d)Dot-matrix plotter
- e)Cutting Plotter
Correct answer is option 'D'. Can you explain this answer?
Which of the following is not type of Plotter?
a)
Drum plotter
b)
Flatbed plotter
c)
Inkjet Plotter
d)
Dot-matrix plotter
e)
Cutting Plotter
|
|
Learnpro Institute answered |
Among the options, only Dot-matrix plotter is NOT a type of plotter.
- A plotter is an output device.
- A plotter is a computer hardware device that is used for printing vector graphics.
- Plotters are much like a printer.
- Plotters can produce high-quality output on large sheets.
- Using plotters, users can draw the same pattern thousands of times without any image degradation.
- The speed of producing output in a plotter is high.
- The world's first plotter was invented in 1953 by Remington-Rand.
Key Points
- Important types of plotters are:
- Flatbed plotter.
- Drum plotter.
- Cutting Plotter.
- Inkjet Plotter.
- Electrostatic Plotters.
- Dot-matrix printing a computer printing process in which ink is applied to a surface using a relatively low-resolution dot matrix for layout.
A hard disk is divided into tracks which are further subdivided into-- a)Cluster
- b)Sectors
- c)Vectors
- d)Heads
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
A hard disk is divided into tracks which are further subdivided into-
a)
Cluster
b)
Sectors
c)
Vectors
d)
Heads
e)
None of these
|
|
Learning Education answered |
A hard disk is divided into tracks which is further subdivided into sectors.
What kind of memory is both static and non volatile?- a)BIOS
- b)CACHE
- c)RAM
- d)ROM
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
What kind of memory is both static and non volatile?
a)
BIOS
b)
CACHE
c)
RAM
d)
ROM
e)
All of the above
|
|
Knowledge Hub answered |
ROM is both static and non-volatile.
Key Points
- ROM is Read-Only Memory.
- The ROM is non-volatile and retains its information even after the power is turned off.
A ____________ is a hardware device that receives analog information, such as sound or light, and records it digitally.- a)Assembler
- b)Interpreter
- c)Compiler
- d)Register
- e)Digitizer
Correct answer is option 'E'. Can you explain this answer?
A ____________ is a hardware device that receives analog information, such as sound or light, and records it digitally.
a)
Assembler
b)
Interpreter
c)
Compiler
d)
Register
e)
Digitizer
|
|
Kabir Verma answered |
A digitizer is a hardware device that receives analog information, such as sound or light, and records it digitally.
Dot-matrix, Deskjet, Inkjet and Laser are all types of which computer peripherals?- a)Printers
- b)Software
- c)Monitors
- d)Keyboards
- e)All of the above
Correct answer is option 'A'. Can you explain this answer?
Dot-matrix, Deskjet, Inkjet and Laser are all types of which computer peripherals?
a)
Printers
b)
Software
c)
Monitors
d)
Keyboards
e)
All of the above
|
|
Knowledge Hub answered |
Dot-matrix, Deskjet, Inkjet, and Laser are all types of printers. These terms refer to different printing technologies used in printers to produce hard copies of digital documents or images.
- Dot-matrix printers use a matrix of small pins to strike an ink ribbon, creating patterns of dots that form characters and images on paper.
- Deskjet is a brand of inkjet printers manufactured by Hewlett-Packard (HP). Inkjet printers spray tiny droplets of ink onto the paper to create text and images.
- Inkjet printers, in general, use the inkjet technology to produce prints by spraying ink onto the paper.
- Laser printers use a laser beam to form an electrostatic image on a drum. The drum then attracts toner (powdered ink), which is transferred onto paper and fused using heat, creating high-quality prints.
Therefore, all of these are different types of printers used for various printing needs.
Which among the device that converts computer output into a form that can be transmitted over a telephone line?- a)Teleport
- b)Multiplexer
- c)Concentrator
- d)Modem
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
Which among the device that converts computer output into a form that can be transmitted over a telephone line?
a)
Teleport
b)
Multiplexer
c)
Concentrator
d)
Modem
e)
All of the above
|
|
Aim It Academy answered |
A modem, short for modulator-demodulator, is a device that converts digital signals from a computer into analog signals that can be transmitted over a telephone line. It modulates the digital data into analog signals for transmission and demodulates the analog signals back into digital data at the receiving end.
Teleport is not a device that converts computer output for transmission over a telephone line. It is commonly used to refer to a fictional technology for instant transportation.
A multiplexer is a device that combines multiple input signals into a single output signal. It is not specifically designed for converting computer output for transmission over a telephone line.
A concentrator is a device used in networking to collect data from multiple devices and transmit it over a single communication channel. It is not primarily used for converting computer output for transmission over a telephone line.
Therefore, the correct answer is D. Modem.
The most common method of entering text and numerical data into a computer system is through the use of a ____- a)Plotter
- b)Scanner
- c)Printer
- d)Keyboard
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
The most common method of entering text and numerical data into a computer system is through the use of a ____
a)
Plotter
b)
Scanner
c)
Printer
d)
Keyboard
e)
All of the above
|
|
Learning Education answered |
Keyboards are input devices that allow users to enter alphanumeric characters, symbols, and commands into a computer system. They typically consist of a set of keys arranged in a specific layout, such as the QWERTY layout commonly used in most English-speaking countries. Keyboards are widely used for various tasks, including typing documents, entering data into spreadsheets, sending emails, and interacting with software applications.
Therefore, D. Keyboard is the correct answer.
Which among the following memory is used in Digital camera?- a)Virtual memory
- b)Flash memory
- c)Main memory
- d)Cache memory
- e)All of the above
Correct answer is option 'B'. Can you explain this answer?
Which among the following memory is used in Digital camera?
a)
Virtual memory
b)
Flash memory
c)
Main memory
d)
Cache memory
e)
All of the above
|
|
Learning Education answered |
Digital Camera
- It is a camera that captures photographs in flash memory.
- The basis for digital camera image sensors is metal-oxide-semiconductor technology.
- Steven Sasson invented the world's first digital camera in 1975.
Flash Memory
- It is a type of nonvolatile memory that erases data in units called blocks and rewrites data at the byte level.
- It is widely used for storage and data transfers in consumer devices, industrial applications.
- Flash memory is a non-volatile computer storage chip,
- It is made up of EEPROM.
- EEPROM is the acronym of electrically erasable programmable read-only memory,
- EEPROM is a Programmable ROM that can be erased and reprogrammed using an electrical charge.
- It was first was developed by George Perlegos.
- It allows the user to update the computer BIOS without having to open the computer or remove any chips.
- It organized as arrays of floating-gate transistors.
- USB flash drive, Memory cards are examples of flash memory storage.
- BIOS is stored in a Flash memory chip.
The device primarily used to provide hardcopy is the- a)CRT
- b)Computer Console
- c)Printer
- d)Card Reader
- e)None of the above
Correct answer is option 'C'. Can you explain this answer?
The device primarily used to provide hardcopy is the
a)
CRT
b)
Computer Console
c)
Printer
d)
Card Reader
e)
None of the above
|
|
Iq Funda answered |
A printer is a device primarily used to provide hardcopy output of digital information stored in a computer or other electronic device. It creates a physical representation of the digital data onto paper or other types of media, such as transparencies or labels. Printers work by transferring ink or toner onto the media to create text, images, or graphics.
CRT (Cathode Ray Tube) is a type of display technology used in older computer monitors and televisions. It is not primarily used for providing hardcopy output.
A computer console is a term that typically refers to the physical equipment used to control and monitor a computer system. It usually includes a keyboard, monitor, and mouse. While a console can display information, it is not primarily used to provide hardcopy output.
A card reader is a device used to read data from memory cards or magnetic stripe cards, such as credit cards. It is not primarily used to provide hardcopy output.
Therefore, the correct answer is C. Printer.
Which input device cannot be used to work in MS Office?- a)Scanner
- b)Light Pen
- c)Mouse
- d)Joy Stick
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
Which input device cannot be used to work in MS Office?
a)
Scanner
b)
Light Pen
c)
Mouse
d)
Joy Stick
e)
None of these
|
|
Glance Learning Institute answered |
Important Points
- A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
- Joysticks are often used to control video games and cannot be used to work in MS Office.
Key Points
- A joystick is an input device that controls a character or machine in a computer program, such as a plane in a flight simulator. They look similar to the control device you would find on an arcade game, but nearly always include extra buttons for additional functionality. The picture shows the Logitech Freedom 2.4, an example of a joystick.
- The first joystick was invented at the U.S. Naval Research Laboratory by C. B. Mirick and patented in 1926. It was a two-axis electronic joystick, similar to the joysticks in use today, and was original designed for remotely piloted aircraft.
- Today, most computer joysticks connect to the computer using a USB port. Below is a listing of all of the type of ports that have accepted a joystick:
- Bluetooth
- Game port
- Serial Port
- USB
Devices that let the computer communicate with you.- a)Input
- b)Output
- c)Type
- d)Print
- e)All of the above
Correct answer is option 'A'. Can you explain this answer?
Devices that let the computer communicate with you.
a)
Input
b)
Output
c)
Type
d)
Print
e)
All of the above
|
|
Knowledge Hub answered |
Input devices are used to provide data or instructions to the computer system. They allow users to input information into the computer for processing. Examples of input devices include keyboards, mice, touchscreens, scanners, microphones, and more. These devices enable users to interact with the computer and provide commands or data for processing.
Output devices, on the other hand, are used to present or display data to the user. Examples of output devices include monitors, printers, speakers, and projectors. They allow the computer system to present processed information to the user in a usable format.
Which input device is used to read bar-coded data?- a)Joystick
- b)Barcode scanner
- c)Mouse
- d)Keyboard
- e)Webcam
Correct answer is option 'B'. Can you explain this answer?
Which input device is used to read bar-coded data?
a)
Joystick
b)
Barcode scanner
c)
Mouse
d)
Keyboard
e)
Webcam
|
Target Study Academy answered |
A barcode scanner, also known as a barcode reader or barcode scanner, is specifically designed to read barcodes. It uses a laser or image sensor to scan the barcode image and convert it into a digital format that can be interpreted by a computer or other systems. Barcode scanners are commonly used in various industries, such as retail, warehousing, logistics, and healthcare, to quickly and accurately capture information encoded in barcodes, such as product details, inventory numbers, or tracking numbers.
A printer is a/an ______ kind of device. - a)Input
- b)Processing
- c)Output
- d)Memory
- e)Editing
Correct answer is option 'C'. Can you explain this answer?
A printer is a/an ______ kind of device.
a)
Input
b)
Processing
c)
Output
d)
Memory
e)
Editing
|
|
Target Study Academy answered |
A printer is an output device.
- The printer is a device through which prints of any document is prepared or processed and all the printed information of the computer are obtained.
- Laser printer is the fastest printer in the world.
- The first electronic printer was the EP-101, was introduced in 1968.
- It was invented by Japanese company Epson.
Important Points
- Printers can be divided into two:
- Impact printer.
- Non-impact printer.
- In impact printers, printing heads touch on the paper.
- Examples of impact printers are:
- Line printer.
- Chain printer.
- Dot-matrix printer.
- Character printer.
- Drum printer.
- Daisy wheel printer.
- Examples of non-impact printers are:
- Laser printer.
- Inkjet printer.
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is- a)Touch panel
- b)Mouse
- c)Wand
- d)Writing tablet
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
a)
Touch panel
b)
Mouse
c)
Wand
d)
Writing tablet
e)
All of the above
|
|
Iq Funda answered |
A writing tablet, also known as a graphics tablet or digitizer, is a device that can convert handwritten impressions or drawings into digital format. It consists of a flat surface on which you can write or draw using a stylus or pen-like instrument. The tablet captures the position and pressure of the stylus and converts it into coded characters and positional coordinates that can be inputted to a computer. This allows you to digitally record and manipulate your handwritten input, making it a useful tool for artists, designers, and individuals who prefer handwriting over typing.
The higher the resolution of a monitor, the ______________?- a)Larger the pixels
- b)Less clear the screen is
- c)Further apart the pixels
- d)Closer the pixels
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
The higher the resolution of a monitor, the ______________?
a)
Larger the pixels
b)
Less clear the screen is
c)
Further apart the pixels
d)
Closer the pixels
e)
None of these
|
|
Wizius Careers answered |
The correct answer is option 4, i.e., Closer the pixels
- When we increase the resolution of a monitor the pixels come closer to provide sharp and bright images.
- A pixel is the smallest unit of a digital image or graphic that can be displayed and represented on a digital display device.
- A pixel is the basic logical unit in digital graphics. Pixels are combined to form a complete image, video, text, or any visible thing on a computer display.
- The pixel resolution spread also determines the quality of display; more pixels per inch of monitor screen yields better image results.
- For example, a computer with a display resolution of 1280 x 768 will produce a maximum of 98,3040 pixels on a display screen. Each pixel has a unique logical address, a size of eight bits or more, and, in most high-end display devices, the ability to project millions of different colors.
Which of the following devices is used to capture sound and convert it into digital data?- a)Printer
- b)Webcam
- c)Microphone
- d)Speaker
- e)Joystick
Correct answer is option 'C'. Can you explain this answer?
Which of the following devices is used to capture sound and convert it into digital data?
a)
Printer
b)
Webcam
c)
Microphone
d)
Speaker
e)
Joystick
|
|
Aim It Academy answered |
A microphone is an input device that captures sound and converts it into digital data, which can be processed and stored by a computer or other audio devices.
________ keys are present on the top row of the keyboard.- a)Function
- b)Type writer
- c)Numeric
- d)Navigation
- e)All of the above
Correct answer is option 'A'. Can you explain this answer?
________ keys are present on the top row of the keyboard.
a)
Function
b)
Type writer
c)
Numeric
d)
Navigation
e)
All of the above
|
|
Glance Learning Institute answered |
Function keys are present on the top row of a keyboard. They are labeled as F1, F2, F3, and so on, up to F12. These keys typically have various predefined functions assigned to them, which can vary depending on the operating system and software being used. They are commonly used for shortcuts and quick access to specific features or commands in applications and programs.
Using output devices one can ____- a)Input data
- b)Store data
- c)Scan data
- d)View or print data
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
Using output devices one can ____
a)
Input data
b)
Store data
c)
Scan data
d)
View or print data
e)
All of the above
|
|
Glance Learning Institute answered |
The options A, B, and C (Scanner, Printer, and Monitor) are all examples of hardware devices. These devices are tangible physical components that can be touched and interacted with.
However, an interpreter is not a hardware device. It is a software component or program that translates and executes high-level programming code, typically line by line. Interpreters are used in programming languages to convert and execute the code in real-time.
Therefore, D. Interpreter is the correct answer as it is not an example of hardware.
Which of the following is a pointing device used for input?- a)Scanner
- b)Printer
- c)Touchscreen
- d)Microphone
- e)Webcam
Correct answer is option 'C'. Can you explain this answer?
Which of the following is a pointing device used for input?
a)
Scanner
b)
Printer
c)
Touchscreen
d)
Microphone
e)
Webcam
|
|
Aim It Academy answered |
A touchscreen is a display device that allows users to interact directly with the screen by touching it. It is commonly used in smartphones, tablets, and some computers as a pointing device.
Which of the following is an example of an input device?- a)Scanner
- b)Speaker
- c)CD
- d)Printer
- e)None of these
Correct answer is option 'A'. Can you explain this answer?
Which of the following is an example of an input device?
a)
Scanner
b)
Speaker
c)
CD
d)
Printer
e)
None of these
|
|
Iq Funda answered |
Out of the given options the scanner is an input device. This is because scanner is used to give input to the computer in the form of the image of the document that is being scanned. Rest of the devices show the final result which is called the output, after processing the input.
How Many Function Keys are there in a Keyboard ?- a)6
- b)8
- c)10
- d)12
- e)18
Correct answer is option 'D'. Can you explain this answer?
How Many Function Keys are there in a Keyboard ?
a)
6
b)
8
c)
10
d)
12
e)
18
|
|
Spectrum Coaching Institute answered |
Keyboard is an input device.
- KeyboaThe keyboardmilar to an electric typewriter.
- Keyboard only sends data to a computer and does not receive any information from it.
- A standard keyboard has 104 keys.
- It composed of buttons used to create letters, numbers, and symbols, and perform additional functions.
- Keys on keyboard are of mainly three types:
- Alphanumeric keys: Letters and numbers.
- Punctuation keys: comma, period, semicolon, etc.
- Special keys: Function keys, arrow keys, caps lock key, etc.
Key Points
- There are 12 function keys on a keyboard.
- Function keys are present on the topmost row of the keyboard.
- Different function keys on the keyboard are F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11 and F12.
- Function keys have different functions for different programs.
- Most keyboards use the QWERTY layout.
- Space bar is the largest key on the keyboard.
- Escape key is the key placed at the top left corner of the keyboard.
Which of the following is not a function of an output device?- a)Display information
- b)Print information
- c)Store information
- d)Project information
- e)Output sound
Correct answer is option 'C'. Can you explain this answer?
Which of the following is not a function of an output device?
a)
Display information
b)
Print information
c)
Store information
d)
Project information
e)
Output sound
|
|
Spectrum Coaching Institute answered |
An output device is a peripheral device that is used to present or deliver information from a computer or another device to the user or to the external world. It provides an output in various forms, such as visual, auditory, or tactile. Let's review the other options to clarify why they are functions of an output device:
a) Display information: Displaying information is one of the primary functions of an output device. Examples of output devices that display information include monitors, screens, and displays.
b) Print information: Printing information is another function of an output device. Printers are specifically designed to convert digital data into physical copies, such as text, graphics, or images.
d) Project information: Projecting information onto a larger surface, such as a screen or wall, is also a function of an output device. Projectors are commonly used to display information for presentations or media viewing.
e) Output sound: Output devices that produce sound, such as speakers or headphones, are also considered output devices. They deliver auditory information to the user.
On the other hand, storing information is not a typical function of an output device. Storing data generally falls under the realm of storage devices, such as hard drives, solid-state drives (SSDs), or memory cards, which are designed specifically for data storage and retrieval.
Therefore, the correct answer is c) Store information.
Which device is used to capture a live image for input into a computer?- a)Printer
- b)Scanner
- c)Webcam
- d)Monitor
- e)Speaker
Correct answer is option 'C'. Can you explain this answer?
Which device is used to capture a live image for input into a computer?
a)
Printer
b)
Scanner
c)
Webcam
d)
Monitor
e)
Speaker
|
|
Aim It Academy answered |
A webcam is a video input device. It captures a live image or video and sends it to the computer to be displayed or stored.
Which of the following is an example of an input device?- a)Printer
- b)Speaker
- c)Monitor
- d)Keyboard
- e)Projector
Correct answer is option 'D'. Can you explain this answer?
Which of the following is an example of an input device?
a)
Printer
b)
Speaker
c)
Monitor
d)
Keyboard
e)
Projector
|
|
Iq Funda answered |
An input device is used to enter data or instructions into a computer system. The keyboard is a common input device that allows users to input text and commands.
Which of the following groups consists of only input devices?- a)Mouse, Keyboard, Monitor
- b)Mouse, Keyboard, Printer
- c)Mouse, Keyboard, Plotter
- d)Mouse, Keyboard, Scanner
- e)None of the above
Correct answer is option 'D'. Can you explain this answer?
Which of the following groups consists of only input devices?
a)
Mouse, Keyboard, Monitor
b)
Mouse, Keyboard, Printer
c)
Mouse, Keyboard, Plotter
d)
Mouse, Keyboard, Scanner
e)
None of the above
|
|
Learning Education answered |
Mouse, Keyboard, and Scanner are all examples of input devices.
- Mouse: A mouse is an input device used to control the cursor or pointer on a computer screen. It allows users to interact with graphical user interfaces by moving the mouse and clicking its buttons.
- Keyboard: A keyboard is an input device that allows users to input alphanumeric characters and commands into a computer. It consists of a set of keys arranged in a specific layout, including letters, numbers, symbols, and function keys.
- Scanner: A scanner is an input device used to convert physical images, documents, or text into digital form. It captures the image or text using light sensors and converts it into a digital format that can be stored, edited, or printed.
On the other hand, the other options have at least one output device included:
A. Mouse, Keyboard, Monitor: Monitor is an output device as it displays the visual output from the computer.
B. Mouse, Keyboard, Printer: Printer is an output device as it produces physical copies or hard copies of digital documents.
C. Mouse, Keyboard, Plotter: Plotter is an output device that draws or plots vector graphics on paper or other materials.
Therefore, the correct answer is D. Mouse, Keyboard, Scanner, as these are all examples of input devices.
The wheel located between the two standard buttons on a mouse is used to ____- a)Click on web pages
- b)Shutdown
- c)Click and select items
- d)Scroll
- e)All of the above
Correct answer is option 'D'. Can you explain this answer?
The wheel located between the two standard buttons on a mouse is used to ____
a)
Click on web pages
b)
Shutdown
c)
Click and select items
d)
Scroll
e)
All of the above
|
|
Target Study Academy answered |
The wheel located between the two standard buttons on a mouse is commonly known as the scroll wheel. Its primary function is to allow users to scroll through documents, web pages, and other content displayed on the screen. By rotating the wheel, you can move the content vertically or horizontally, depending on the application or settings. This scrolling action helps navigate through lengthy documents or websites without the need for excessive clicking or dragging.
A light sensitive device that converts drawing, printed text or other images into digital form is- a)Keyboard
- b)Plotter
- c)Scanner
- d)OMR
- e)All of the above
Correct answer is option 'C'. Can you explain this answer?
A light sensitive device that converts drawing, printed text or other images into digital form is
a)
Keyboard
b)
Plotter
c)
Scanner
d)
OMR
e)
All of the above
|
|
Learnpro Institute answered |
A scanner is a light-sensitive device that converts physical images, such as drawings, printed text, or photographs, into digital form. It works by capturing the image using a combination of sensors and light sources, and then converting it into a digital format that can be stored, edited, and manipulated on a computer.
When you place a document or image on the scanner's glass surface and initiate the scanning process, the scanner moves a scanning head or a set of sensors across the document, capturing the image line by line. The sensors detect the intensity and color of the light reflected off the document, and this information is then converted into digital data, typically in the form of pixels.
Scanners are commonly used for tasks such as scanning documents, photos, and artwork for archival purposes, creating digital copies, and performing optical character recognition (OCR) to convert printed text into editable digital text.
_____ is not an output device?- a)Monitors
- b)Printers
- c)Headphones
- d)Projectors
- e)Keyboard
Correct answer is option 'E'. Can you explain this answer?
_____ is not an output device?
a)
Monitors
b)
Printers
c)
Headphones
d)
Projectors
e)
Keyboard
|
|
Target Study Academy answered |
Keyboard in not an output device, it is rather an input device.
The output quality of a printer is measured in _______________.- a)dots per sq
- b)dots per inch
- c)dots printer per inch
- d)All of these
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
The output quality of a printer is measured in _______________.
a)
dots per sq
b)
dots per inch
c)
dots printer per inch
d)
All of these
e)
None of these
|
Aisha Gupta answered |
PPI (pixels per inch) is the input resolution of an image or photograph, and DPI (dots per inch) is the output resolution of a printer or imagesetter. When an image is reproduced as a true physical object, such as when printed onto paper, the term "DPI" refers to the physical dot density of the image.
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