All Exams > Class 3 > International Computer Science Olympiad for Class 3 > All Questions
All questions of Section - 4: Achievers Section for Class 3 Exam
__________ appears in a window, when all the items in a window cannot be seen at the same time.- a)Title bar
- b)Taskbar
- c)Scroll bar
- d)Menu bar
Correct answer is option 'C'. Can you explain this answer?
__________ appears in a window, when all the items in a window cannot be seen at the same time.
a)
Title bar
b)
Taskbar
c)
Scroll bar
d)
Menu bar
 | Glitz Classes answered |
A scroll bar is vertical and horizontal bar, located on the right and bottom of a window that allows you to move the window viewing area up, down, left, or right.
Which of the following statements hold(s) true with respect to save as Save As commands?
Statement 1: The save command writes all the changes to the same file.
Statement 2: Save as command allows you to save all the changes to a file using different name.- a)Only Statement 1
- b)Only Statement 2
- c)Both Statement 1 and Statement 2
- d)Neither Statement 1 nor Statement 2
Correct answer is option 'C'. Can you explain this answer?
Which of the following statements hold(s) true with respect to save as Save As commands?
Statement 1: The save command writes all the changes to the same file.
Statement 2: Save as command allows you to save all the changes to a file using different name.
Statement 1: The save command writes all the changes to the same file.
Statement 2: Save as command allows you to save all the changes to a file using different name.
a)
Only Statement 1
b)
Only Statement 2
c)
Both Statement 1 and Statement 2
d)
Neither Statement 1 nor Statement 2
| | Glitz Classes answered |
When we click on the Save command while editing an existing document, then the document will get saved under the same name. But, when we click on the Save As command, a dialog box is displayed to save the file, so that we can save the changes by a different name. So, both statements are true and hence, option [C] is the correct answer.
Why are USB flash drives considered more durable than floppy disks?
- a)Because USB flash drives are made of stronger materials
- b)Because USB flash drives can access data faster
- c)Because USB flash drives are more expensive than floppy disks
- d)Because USB flash drives are smaller in size than floppy disks
Correct answer is option 'A'. Can you explain this answer?
Why are USB flash drives considered more durable than floppy disks?
a)
Because USB flash drives are made of stronger materials
b)
Because USB flash drives can access data faster
c)
Because USB flash drives are more expensive than floppy disks
d)
Because USB flash drives are smaller in size than floppy disks
| | Glitz Classes answered |
USB flash drives are typically made of materials that are more resistant to physical damage compared to floppy disks, making them more durable.
Imagine you are playing a game on the computer and suddenly it freezes. What steps would you take to fix it?
- a)Yell at the computer
- b)Restart the computer and try again
- c)Wait for it to unfreeze
- d)Throw the computer away
Correct answer is option 'B'. Can you explain this answer?
Imagine you are playing a game on the computer and suddenly it freezes. What steps would you take to fix it?
a)
Yell at the computer
b)
Restart the computer and try again
c)
Wait for it to unfreeze
d)
Throw the computer away
| | Glitz Classes answered |
To fix the frozen computer, restarting it is the best option as it refreshes the system, allowing you to continue your activity.
What can you do with a computer when you're not at school?
- a)Go for a walk
- b)Play educational games and watch educational videos
- c)Take a nap
- d)Cook dinner for the family
Correct answer is option 'B'. Can you explain this answer?
What can you do with a computer when you're not at school?
a)
Go for a walk
b)
Play educational games and watch educational videos
c)
Take a nap
d)
Cook dinner for the family
 | Indu Gupta answered |
Computers offer a variety of educational games and videos that can be enjoyed outside of school to continue learning in a fun way.
The image shown here is of an ______ device, and it is a _____________.
- a)Input, Reader
- b)Output, LED Monitor
- c)Output, Scanner
- d)Input, CRT Machine
Correct answer is option 'B'. Can you explain this answer?
The image shown here is of an ______ device, and it is a _____________.
a)
Input, Reader
b)
Output, LED Monitor
c)
Output, Scanner
d)
Input, CRT Machine
| | Indu Gupta answered |
The image shown here is of an output device, and it is a LED monitor
How does a hard disk drive differ from a floppy disk in terms of capacity?- a)Hard disk drives can store more data than floppy disks
- b)Hard disk drives are smaller in size than floppy disks
- c)Hard disk drives are less durable than floppy disks
- d)Hard disk drives use a different reading mechanism than floppy disks
Correct answer is option 'A'. Can you explain this answer?
How does a hard disk drive differ from a floppy disk in terms of capacity?
a)
Hard disk drives can store more data than floppy disks
b)
Hard disk drives are smaller in size than floppy disks
c)
Hard disk drives are less durable than floppy disks
d)
Hard disk drives use a different reading mechanism than floppy disks
| | Glitz Classes answered |
Hard disk drives have a larger capacity and can store more data compared to floppy disks.
What is the role of application software in the computer system?- a)To manage hardware resources and provide a platform for running applications
- b)To control the overall working of the computer system
- c)To produce physical copies of documents from the computer
- d)To process instructions and perform calculations
Correct answer is option 'A'. Can you explain this answer?
What is the role of application software in the computer system?
a)
To manage hardware resources and provide a platform for running applications
b)
To control the overall working of the computer system
c)
To produce physical copies of documents from the computer
d)
To process instructions and perform calculations
| | Glitz Classes answered |
Application software is responsible for performing specific tasks or functions, such as word processing or gaming, on the computer system, utilizing hardware resources managed by the operating system.
How does a keyboard contribute to the computer system?
- a)By displaying images on the screen
- b)By copying text from paper into the computer
- c)By allowing users to input text and commands into the computer system
- d)By printing documents
Correct answer is option 'C'. Can you explain this answer?
How does a keyboard contribute to the computer system?
a)
By displaying images on the screen
b)
By copying text from paper into the computer
c)
By allowing users to input text and commands into the computer system
d)
By printing documents
| | Glitz Classes answered |
A keyboard is an input device that allows users to input text and commands into the computer system, enabling interaction with software applications.
John's grandfather reads the newspaper every morning. Which among the following options do you think is responsible for printing information on the paper?- a)
- b)
- c)
- d)
Correct answer is option 'B'. Can you explain this answer?
John's grandfather reads the newspaper every morning. Which among the following options do you think is responsible for printing information on the paper?
a)
b)
c)
d)
| | Glitz Classes answered |
The picture shown in option (B) is that of a printer that is responsible for printing information on paper.
How does a computer help your parents with their work?- a)By cooking meals
- b)By allowing them to create documents, send emails, and manage their work tasks
- c)By playing sports
- d)By teaching them how to dance
Correct answer is option 'B'. Can you explain this answer?
How does a computer help your parents with their work?
a)
By cooking meals
b)
By allowing them to create documents, send emails, and manage their work tasks
c)
By playing sports
d)
By teaching them how to dance
| | Glitz Classes answered |
Computers are used by parents to perform various work-related tasks such as creating documents, sending emails, and organizing schedules, enhancing productivity and efficiency.
Match the given MS Word shortcuts with the operations they perform.
- a)1-b, 2-c, 3-d, 4-a
- b)1-b, 2-a, 3-c, 4-d
- c)1-a, 2-d, 3-c, 4-b
- d)1-b, 2-c, 3-a, 4-d
Correct answer is option 'A'. Can you explain this answer?
Match the given MS Word shortcuts with the operations they perform.
a)
1-b, 2-c, 3-d, 4-a
b)
1-b, 2-a, 3-c, 4-d
c)
1-a, 2-d, 3-c, 4-b
d)
1-b, 2-c, 3-a, 4-d
| | Glitz Classes answered |
ctrl+s to save a file
ctrl+i to italicize
ctrl+z to undo
ctrl+c to copy
ctrl+i to italicize
ctrl+z to undo
ctrl+c to copy
Why is the operating system considered system software rather than application software?- a)Because it controls the overall working of the computer system
- b)Because it is used for specific tasks such as word processing or gaming
- c)Because it displays images on the screen
- d)Because it produces sound
Correct answer is option 'A'. Can you explain this answer?
Why is the operating system considered system software rather than application software?
a)
Because it controls the overall working of the computer system
b)
Because it is used for specific tasks such as word processing or gaming
c)
Because it displays images on the screen
d)
Because it produces sound
| | Glitz Classes answered |
The operating system is system software because it controls the overall working of the computer system, managing hardware resources and providing a platform for running applications.
Which of the following statements hold(s) true about magnetic stripe readers?
Statement 1: It is a data capture device.
Statement 2: It reads information stored in credit or access control cards.- a)Only Statement 1
- b)Only Statement 2
- c)Both Statement 1 and Statement 2
- d)Neither Statement 1 nor Statement 2
Correct answer is option 'C'. Can you explain this answer?
Which of the following statements hold(s) true about magnetic stripe readers?
Statement 1: It is a data capture device.
Statement 2: It reads information stored in credit or access control cards.
Statement 1: It is a data capture device.
Statement 2: It reads information stored in credit or access control cards.
a)
Only Statement 1
b)
Only Statement 2
c)
Both Statement 1 and Statement 2
d)
Neither Statement 1 nor Statement 2
| | Glitz Classes answered |
A magnetic stripe reader is a special type of input device. It reads the data stored in a strip band, which is generally found on back of smartcards. It then verifies the information read by it with the stored information.
Why is media convergence important in today's world?- a)It helps improve internet speed
- b)It allows people to watch more TV
- c)It brings together different types of media and technologies
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
Why is media convergence important in today's world?
a)
It helps improve internet speed
b)
It allows people to watch more TV
c)
It brings together different types of media and technologies
d)
None of the above
| | Indu Gupta answered |
Media convergence brings together different types of media (such as TV, internet, and radio) and technologies (such as computers and smartphones) into a single platform, making it easier for people to access information and entertainment.
Identify Mr. X and Mr. Y with the help of their information given below.
Mr. X: “I am a bunch of pages of information connected to each other around the globe”.
Mr. Y: “I am the largest group of computers linked together across the world”.- a)Mr. X is ‘INTERNET’ and Mr. Y is ‘WWW’.
- b)Mr. X is ‘WWW’ and Mr. Y is ‘INTERNET’.
- c)Mr. X is ‘WEB PAGE’ and Mr. Y is ‘WEBSITE’.
- d)Mr. X is ‘INTERNET’ and Mr. Y is ‘GLOBE’
Correct answer is option 'B'. Can you explain this answer?
Identify Mr. X and Mr. Y with the help of their information given below.
Mr. X: “I am a bunch of pages of information connected to each other around the globe”.
Mr. Y: “I am the largest group of computers linked together across the world”.
a)
Mr. X is ‘INTERNET’ and Mr. Y is ‘WWW’.
b)
Mr. X is ‘WWW’ and Mr. Y is ‘INTERNET’.
c)
Mr. X is ‘WEB PAGE’ and Mr. Y is ‘WEBSITE’.
d)
Mr. X is ‘INTERNET’ and Mr. Y is ‘GLOBE’
| | Glitz Classes answered |
Mr. X's description matches the World Wide Web (WWW), which is a collection of interconnected web pages, while Mr. Y's description matches the Internet, which is the largest network of connected computers worldwide.
Which among the following is a cursor control input device?- a)
- b)
- c)
- d)
Correct answer is option 'B'. Can you explain this answer?
Which among the following is a cursor control input device?
a)
b)
c)
d)
| | Indu Gupta answered |
Image shown in option [B] is of a trackball, which is a cursor control device. When the ball on holder is rotated by finger then the cursor on the screen also get moved in the same direction.
Select the INCORRECT match.- a)
- A toggle key - b)
- Used in combination with other keys for typing symbols - c)
- Used to move the cursor at the end of a document - d)
- Used to cancel an operation
Correct answer is option 'C'. Can you explain this answer?
Select the INCORRECT match.
a)
- A toggle key
b)
- Used in combination with other keys for typing symbols
c)
- Used to move the cursor at the end of a documentd)
- Used to cancel an operation| | Indu Gupta answered |
key is used for providing space generally or for switching between various options in a dialog box.Alex needs to transfer a large video file from his computer to his friend's computer. However, he needs to ensure that the file remains intact during the transfer and that his friend can access it easily. Which storage device would be the most suitable choice for Alex's situation?
Which storage device would be the most suitable choice for Alex's situation?
- a)Floppy disk
- b)CD
- c)USB flash drive
- d)Magnetic tape
Correct answer is option 'C'. Can you explain this answer?
Alex needs to transfer a large video file from his computer to his friend's computer. However, he needs to ensure that the file remains intact during the transfer and that his friend can access it easily. Which storage device would be the most suitable choice for Alex's situation?
Which storage device would be the most suitable choice for Alex's situation?
Which storage device would be the most suitable choice for Alex's situation?
a)
Floppy disk
b)
CD
c)
USB flash drive
d)
Magnetic tape
| | Glitz Classes answered |
A USB flash drive is portable, durable, and can store large files securely, making it the most suitable choice for transferring a large video file intact between computers.
Aryan is planning to start his online business selling handmade crafts. Which electronic payment system would be most suitable for his small-scale business, considering security and transaction fees? Which electronic payment system would be the most suitable choice for Aryan's online craft business?
- a)Secure Electronic Transaction (SET)
- b)PayPal
- c)Mobile Wallet
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
Aryan is planning to start his online business selling handmade crafts. Which electronic payment system would be most suitable for his small-scale business, considering security and transaction fees? Which electronic payment system would be the most suitable choice for Aryan's online craft business?
a)
Secure Electronic Transaction (SET)
b)
PayPal
c)
Mobile Wallet
d)
None of the above
| | Glitz Classes answered |
PayPal offers a secure and widely used payment platform suitable for small-scale online businesses like Aryan's, with relatively low transaction fees and a user-friendly interface.
How does a printer function as an output device?
- a)By allowing users to input data into the computer
- b)By displaying images on the screen
- c)By producing physical copies of documents from the computer
- d)By capturing images
Correct answer is option 'C'. Can you explain this answer?
How does a printer function as an output device?
a)
By allowing users to input data into the computer
b)
By displaying images on the screen
c)
By producing physical copies of documents from the computer
d)
By capturing images
| | Glitz Classes answered |
A printer is an output device that produces physical copies of documents from the computer, allowing users to obtain hard copies of digital files.
Which of the following is NOT a correct match?- a)Apple Safari → Browser
- b)Google → eReader
- c)Yahoo → E-mail
- d)WebPage → WWW
Correct answer is option 'B'. Can you explain this answer?
Which of the following is NOT a correct match?
a)
Apple Safari → Browser
b)
Google → eReader
c)
Yahoo → E-mail
d)
WebPage → WWW
| | Indu Gupta answered |
Google is not primarily known for providing eReader services; instead, it is known for its search engine, email services, and various other online tools and platforms.
In the given picture, A represents ________.
- a)Menu Bar
- b)Tool Bar
- c)Title Bar
- d)Status Bar
Correct answer is option 'A'. Can you explain this answer?
In the given picture, A represents ________.
a)
Menu Bar
b)
Tool Bar
c)
Title Bar
d)
Status Bar
| | Glitz Classes answered |
The menu bar in MS Paint helps you do different things like drawing, coloring, and saving your pictures.
Which of the following is a microcomputer?
- a)Only (1) and (3)
- b)Only (2) and (4)
- c)Only (1), (3) and (4)
- d)All of these
Correct answer is option 'D'. Can you explain this answer?
Which of the following is a microcomputer?
a)
Only (1) and (3)
b)
Only (2) and (4)
c)
Only (1), (3) and (4)
d)
All of these
| | Glitz Classes answered |
A computer that is designed for individual use and contains a microprocessor as its Central Processing Unit, is called a microcomputer. All four options 1, 2, 3, and 4 shown in the question are designed for individual us and have microprocessors. So, option [D] is the correct answer.
E-mail stands for- a)Echo mail
- b)Easy mail
- c)Everyday mail
- d)Electronic mail
Correct answer is option 'D'. Can you explain this answer?
E-mail stands for
a)
Echo mail
b)
Easy mail
c)
Everyday mail
d)
Electronic mail
| | Indu Gupta answered |
Electronic mail: E-mail stands for Electronic mail, which is a method of exchanging digital messages over the Internet or other computer networks.
How can you use a computer to talk to your grandparents who live far away?
- a)By sending letters in the mail
- b)By making phone calls
- c)By video calling or sending emails
- d)By playing soccer in the park
Correct answer is option 'C'. Can you explain this answer?
How can you use a computer to talk to your grandparents who live far away?
a)
By sending letters in the mail
b)
By making phone calls
c)
By video calling or sending emails
d)
By playing soccer in the park
| | Glitz Classes answered |
Computers enable communication with distant relatives through methods such as video calls and emails, allowing you to stay connected with your grandparents.
Select the Incorrect Match- a)
- b)
- c)
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
Select the Incorrect Match
a)
b)
c)
d)
None of the above
| | Glitz Classes answered |
The incorrect match here is (a).
What is the purpose of a user interface in mobile computing?
- a)To connect to the internet
- b)To control the device and interact with apps
- c)To charge the device
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
What is the purpose of a user interface in mobile computing?
a)
To connect to the internet
b)
To control the device and interact with apps
c)
To charge the device
d)
None of the above
| | Glitz Classes answered |
The user interface in mobile computing allows users to control the device and interact with apps through touch, gestures, and visual elements like icons and buttons.
The given image is of a microcomputer. What do you understand by a microcomputer? 
- a)A small computer with a microprocessor.
- b)A computer used by scientists to research about micro-technology.
- c)A computer which is developed by merging two mainframe computers.
- d)A computer used for robotics.
Correct answer is option 'A'. Can you explain this answer?
The given image is of a microcomputer. What do you understand by a microcomputer?
a)
A small computer with a microprocessor.
b)
A computer used by scientists to research about micro-technology.
c)
A computer which is developed by merging two mainframe computers.
d)
A computer used for robotics.
| | Indu Gupta answered |
A microcomputer is a small computer with a microprocessor.
So, the correct option is (a).
So, the correct option is (a).
Amazon is a 
- a)E-commerce Website
- b)Social Networking
- c)Search Engine
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
Amazon is a
a)
E-commerce Website
b)
Social Networking
c)
Search Engine
d)
None of the above
| | Glitz Classes answered |
Amazon is an E-commerce Website
Amazon is one of the largest e-commerce platforms in the world, where users can buy a wide variety of products ranging from electronics to clothing to books.
Amazon is one of the largest e-commerce platforms in the world, where users can buy a wide variety of products ranging from electronics to clothing to books.
How can a computer help you with your schoolwork?- a)By making you sleepy
- b)By providing access to educational websites and helping you with research
- c)By telling stories
- d)By watering plants in the garden
Correct answer is option 'B'. Can you explain this answer?
How can a computer help you with your schoolwork?
a)
By making you sleepy
b)
By providing access to educational websites and helping you with research
c)
By telling stories
d)
By watering plants in the garden
| | Indu Gupta answered |
Computers can be used to access educational websites, research information for school projects, and complete assignments, making them helpful tools for schoolwork.
What can we do with a computer at school?- a)Play outside
- b)Learn new things and complete homework
- c)Sleep
- d)Dance
Correct answer is option 'B'. Can you explain this answer?
What can we do with a computer at school?
a)
Play outside
b)
Learn new things and complete homework
c)
Sleep
d)
Dance
| | Glitz Classes answered |
At school, computers are used for learning new things, completing assignments, and doing homework.
I have created a file and now I am saving it with the name Water_Use. What would be its complete name after saving?- a)Water_Use
- b)Water_Use.docx
- c)Water_ Use.wrd
- d)Water_Use.wrt
Correct answer is option 'B'. Can you explain this answer?
I have created a file and now I am saving it with the name Water_Use. What would be its complete name after saving?
a)
Water_Use
b)
Water_Use.docx
c)
Water_ Use.wrd
d)
Water_Use.wrt
| | Glitz Classes answered |
The files saved in MS-Word 2010 have docx extension.
The image of a computing device is given below. Answer the questions that follow:
Which of the parts marked as
,
,
and 
is not used to give instructions to the computer?- a)
- b)
- c)
- d)
Correct answer is option 'D'. Can you explain this answer?
The image of a computing device is given below. Answer the questions that follow:
Which of the parts marked as,, and is not used to give instructions to the computer?
,, and is not used to give instructions to the computer?a)
b)
c)
d)
| | Indu Gupta answered |
The part labelled as 
is a monitor. It is a device that is used to show end results and not used to give instructions to the computer.
So, the correct option is (d).
is a monitor. It is a device that is used to show end results and not used to give instructions to the computer.So, the correct option is (d).
If you make a mistake when creating or editing a Word document, you can roll back to your previous work by using _______.- a)
- b)
- c)
- d)
Correct answer is option 'D'. Can you explain this answer?
If you make a mistake when creating or editing a Word document, you can roll back to your previous work by using _______.
a)
b)
c)
d)
| | Glitz Classes answered |
Undo command is used to reverse the last action performed.
Why is the CPU considered the "brain" of the computer system?
- a)Because it allows users to play games
- b)Because it controls the overall working of the computer system
- c)Because it produces sound
- d)Because it allows users to browse the internet
Correct answer is option 'B'. Can you explain this answer?
Why is the CPU considered the "brain" of the computer system?
a)
Because it allows users to play games
b)
Because it controls the overall working of the computer system
c)
Because it produces sound
d)
Because it allows users to browse the internet
| | Glitz Classes answered |
The CPU (Central Processing Unit) is often referred to as the "brain" of the computer system because it controls the overall working of the system, processing instructions and performing calculations.
Which of the following is NOT an example of a search engine?- a)
- b)
- c)
- d)
Correct answer is option 'B'. Can you explain this answer?
Which of the following is NOT an example of a search engine?
a)
b)
c)
d)
| | Glitz Classes answered |
Facebook is not a search engine because its primary function is social networking and connecting users, rather than indexing and retrieving information from the web like search engines do.
How is a floppy disk different from a CD?
- a)Floppy disks can store less data than CDs
- b)Floppy disks use a laser to read data, while CDs do not
- c)Floppy disks are larger in size than CDs
- d)Floppy disks can access data randomly, while CDs access data sequentially
Correct answer is option 'D'. Can you explain this answer?
How is a floppy disk different from a CD?
a)
Floppy disks can store less data than CDs
b)
Floppy disks use a laser to read data, while CDs do not
c)
Floppy disks are larger in size than CDs
d)
Floppy disks can access data randomly, while CDs access data sequentially
| | Indu Gupta answered |
Floppy disks allow you to jump to any part of the disk to read or write data, while CDs must be read from start to finish.
What is the main benefit of using a plastic card with an embedded chip for digital transactions?
- a)It can be used as a toy
- b)It allows you to store money
- c)It provides a secure way to store and transfer digital information
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
What is the main benefit of using a plastic card with an embedded chip for digital transactions?
a)
It can be used as a toy
b)
It allows you to store money
c)
It provides a secure way to store and transfer digital information
d)
None of the above
| | Glitz Classes answered |
Plastic cards with embedded chips provide a secure way to store and transfer digital information such as payment details, making them suitable for digital transactions.
Select the INCORRECT statement.- a)Light pen and joystick are pointing devices.
- b)OMR is a special type of scanner used to evaluate MCQ answer sheets.
- c)Webcam is primarily used to give sound output.
- d)Plotter is used for designing purposes.
Correct answer is option 'C'. Can you explain this answer?
Select the INCORRECT statement.
a)
Light pen and joystick are pointing devices.
b)
OMR is a special type of scanner used to evaluate MCQ answer sheets.
c)
Webcam is primarily used to give sound output.
d)
Plotter is used for designing purposes.
| | Glitz Classes answered |
A webcam is a small video camera that is primarily used for recording videos and to take pictures. So, the correct option is (C).
Which of the following statements is/are correct about the given figure?- It has an address bar in which the URL of the websites is typed.
- It can be used to open a search engine.
- a)Both (1) & (2)
- b)Only (1)
- c)Only (2)
- d)Neither (1) Nor (2)
Correct answer is option 'A'. Can you explain this answer?
Which of the following statements is/are correct about the given figure?
- It has an address bar in which the URL of the websites is typed.
- It can be used to open a search engine.
a)
Both (1) & (2)
b)
Only (1)
c)
Only (2)
d)
Neither (1) Nor (2)
| | Indu Gupta answered |
Both statements (1) and (2) describe features of web browsers, indicating that it can perform tasks such as typing URLs and accessing search engines, which are common functionalities of web browsers.
The list of computing technologies that had arrived before the development of first-generation computers is given here. Arrange them in the increasing order of their arrivals.
1. Abacus
2. Pascaline
3. Napier's Bones
4. Stepped Reckoner
5. Babbage's Analytical engine- a)1, 2, 3, 4, 5
- b)1, 3, 2, 4, 5
- c)2, 3, 1, 4, 5
- d)4, 5, 3, 2, 1
Correct answer is option 'B'. Can you explain this answer?
The list of computing technologies that had arrived before the development of first-generation computers is given here. Arrange them in the increasing order of their arrivals.
1. Abacus
2. Pascaline
3. Napier's Bones
4. Stepped Reckoner
5. Babbage's Analytical engine
1. Abacus
2. Pascaline
3. Napier's Bones
4. Stepped Reckoner
5. Babbage's Analytical engine
a)
1, 2, 3, 4, 5
b)
1, 3, 2, 4, 5
c)
2, 3, 1, 4, 5
d)
4, 5, 3, 2, 1
| | Indu Gupta answered |
The devices mentioned in the question and the time they were invented/ designed are shown below. Abacus-1300 A.D., Pascaline-1642-1645, Napier's Bones- 1617, Stepped Reckoner-1672-1694, Analytical Engine -1837 According to the given information, the machines will be arranged as follows: Abacus, Napier's Bones, Pascaline, Stepped Reckoner, and Babbage's Analytical Engine.
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