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All questions of Computer Architecture for SSC CGL Exam
What distinguishes the fetch cycle from the execute cycle in an Instruction Cycle?- a)The fetch cycle involves carrying out instructions, while the execute cycle involves storing in memory.
- b)The fetch cycle includes getting the instruction and translating it, while the execute cycle involves carrying out the instruction and storing the result.
- c)The fetch cycle consists of storing instructions, while the execute cycle involves fetching data.
- d)The fetch cycle is related to memory storage, while the execute cycle is about translating instructions.
Correct answer is option 'B'. Can you explain this answer?
What distinguishes the fetch cycle from the execute cycle in an Instruction Cycle?
a)
The fetch cycle involves carrying out instructions, while the execute cycle involves storing in memory.
b)
The fetch cycle includes getting the instruction and translating it, while the execute cycle involves carrying out the instruction and storing the result.
c)
The fetch cycle consists of storing instructions, while the execute cycle involves fetching data.
d)
The fetch cycle is related to memory storage, while the execute cycle is about translating instructions.
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Bayshore Academy answered |
The fetch cycle and execute cycle are integral stages within the Instruction Cycle. The fetch cycle encompasses retrieving the instruction from memory and interpreting it for operation. In contrast, the execute cycle focuses on executing the instruction and storing the outcome back in memory. This division ensures a systematic and efficient process of reading and executing instructions in a computer system.
What is the function of the System unit in a computer system?- a)It processes data
- b)It receives coded information
- c)It holds all the physical parts of the computer
- d)It converts data into a format that the computer can understand
Correct answer is option 'C'. Can you explain this answer?
What is the function of the System unit in a computer system?
a)
It processes data
b)
It receives coded information
c)
It holds all the physical parts of the computer
d)
It converts data into a format that the computer can understand
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Nilesh Banerjee answered |
Function of the System Unit in a Computer
The system unit, often referred to as the computer case or chassis, is an essential component of a computer system. It houses the majority of the physical components that enable the computer to function. Here’s a detailed look at its primary functions:
Holds Physical Components
- The system unit encases critical components such as the motherboard, CPU, RAM, and storage devices (HDD/SSD).
- It provides structure and protection for these components against physical damages and environmental factors.
Facilitates Communication
- The system unit allows for communication between different hardware components through buses and connectors.
- It ensures that data can move between the CPU, memory, and peripheral devices efficiently.
Power Supply Management
- The system unit contains the power supply unit (PSU) that converts electrical power from an outlet into usable power for the computer's components.
- It distributes power to every part of the system, ensuring they function properly.
Cooling and Ventilation
- The design of the system unit allows for airflow and cooling mechanisms, such as fans, to prevent overheating of internal components.
- Proper cooling is crucial for maintaining system performance and longevity.
Expansion and Upgrades
- The system unit provides slots for additional hardware components, such as graphics cards, sound cards, and network cards.
- This expandability allows users to upgrade their systems as technology advances or needs change.
In summary, the system unit serves as the foundational structure that holds and protects all physical parts of the computer, enabling them to work together efficiently. This makes option 'C' the correct answer.
The system unit, often referred to as the computer case or chassis, is an essential component of a computer system. It houses the majority of the physical components that enable the computer to function. Here’s a detailed look at its primary functions:
Holds Physical Components
- The system unit encases critical components such as the motherboard, CPU, RAM, and storage devices (HDD/SSD).
- It provides structure and protection for these components against physical damages and environmental factors.
Facilitates Communication
- The system unit allows for communication between different hardware components through buses and connectors.
- It ensures that data can move between the CPU, memory, and peripheral devices efficiently.
Power Supply Management
- The system unit contains the power supply unit (PSU) that converts electrical power from an outlet into usable power for the computer's components.
- It distributes power to every part of the system, ensuring they function properly.
Cooling and Ventilation
- The design of the system unit allows for airflow and cooling mechanisms, such as fans, to prevent overheating of internal components.
- Proper cooling is crucial for maintaining system performance and longevity.
Expansion and Upgrades
- The system unit provides slots for additional hardware components, such as graphics cards, sound cards, and network cards.
- This expandability allows users to upgrade their systems as technology advances or needs change.
In summary, the system unit serves as the foundational structure that holds and protects all physical parts of the computer, enabling them to work together efficiently. This makes option 'C' the correct answer.
What is the primary focus of computer architecture?- a) Designing computer software systems
- b) Designing computer hardware systems
- c) Designing computer networking systems
- d) Designing computer security systems
Correct answer is option 'B'. Can you explain this answer?
What is the primary focus of computer architecture?
a)
Designing computer software systems
b)
Designing computer hardware systems
c)
Designing computer networking systems
d)
Designing computer security systems
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Ssc Cgl answered |
Computer architecture primarily focuses on designing the hardware aspects of a computer system, including the organization of electronic components and how they interact to enable various functionalities. Understanding computer architecture is crucial for programmers as it influences the performance, efficiency, and capabilities of the software they develop. It involves decisions regarding the design of the central processing unit (CPU), memory systems, input/output mechanisms, and other essential components that collectively constitute a computer system.
What is the primary function of the Memory Unit in a computer system?- a) Storing programs temporarily
- b) Holding data permanently
- c) Managing input/output operations
- d) Directly interacting with the CPU
Correct answer is option 'A'. Can you explain this answer?
What is the primary function of the Memory Unit in a computer system?
a)
Storing programs temporarily
b)
Holding data permanently
c)
Managing input/output operations
d)
Directly interacting with the CPU
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Talent Skill Learning answered |
The Memory Unit in a computer system is primarily responsible for storing programs or data temporarily before they are processed. This temporary storage allows the CPU to quickly access and work on the data or programs when needed. It consists of primary memory (main memory) for this purpose. Secondary memory, on the other hand, is used to permanently hold data, programs, and output, and is not directly involved with the CPU's immediate processing tasks.
How is the microprocessor described?- a)A peripheral device used for data storage
- b)A component responsible for network connections
- c)The boss of a computer system that powers it
- d)A software program that enhances computer performance
Correct answer is option 'C'. Can you explain this answer?
How is the microprocessor described?
a)
A peripheral device used for data storage
b)
A component responsible for network connections
c)
The boss of a computer system that powers it
d)
A software program that enhances computer performance
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Talent Skill Learning answered |
The microprocessor is described as the "boss" of a computer system. It is a crucial hardware component that powers the computer and plays a central role in processing data. The speed and efficiency of a computer system are greatly influenced by the type and quality of the microprocessor it utilizes.
What does computer architecture primarily focus on?- a) Designing software applications
- b) Organized design of the system unit holding electronic parts
- c) Programming languages and algorithms
- d) Network security protocols
Correct answer is option 'B'. Can you explain this answer?
What does computer architecture primarily focus on?
a)
Designing software applications
b)
Organized design of the system unit holding electronic parts
c)
Programming languages and algorithms
d)
Network security protocols
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Talent Skill Learning answered |
Computer architecture primarily focuses on the organized design of the system unit that holds electronic parts. This includes the layout of the various components such as the central processing unit (CPU), memory, and input/output devices, with a focus on how these components interact to execute instructions and process data effectively. Understanding computer architecture is crucial for programmers and computer scientists to optimize the performance and efficiency of computing systems.
What is the function of the control bus in a computer system?- a) Carries the location of I/O devices
- b) Carries the actual data to be transferred
- c) Carries commands to access memory or I/O devices
- d) Connects parts inside the motherboard
Correct answer is option 'C'. Can you explain this answer?
What is the function of the control bus in a computer system?
a)
Carries the location of I/O devices
b)
Carries the actual data to be transferred
c)
Carries commands to access memory or I/O devices
d)
Connects parts inside the motherboard
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Talent Skill Learning answered |
The control bus in a computer system is responsible for carrying commands to access memory or I/O (Input/Output) devices. It plays a crucial role in coordinating the flow of information within the computer by facilitating the execution of commands for accessing and managing memory and peripherals. This coordination is essential for the proper functioning and efficiency of the computer system.
What is an Instruction Code of computing?- a)A code used to unlock a computer system
- b)A set of bits that tells the computer what to do
- c)A code to activate special effects on a computer screen
- d)A code used to encrypt computer files
Correct answer is option 'B'. Can you explain this answer?
What is an Instruction Code of computing?
a)
A code used to unlock a computer system
b)
A set of bits that tells the computer what to do
c)
A code to activate special effects on a computer screen
d)
A code used to encrypt computer files
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Talent Skill Learning answered |
An Instruction Code is a specific set of bits that conveys instructions to a computer system, informing it about the tasks to perform. These codes are essential as they guide the processor in executing operations such as arithmetic calculations, data manipulation, and control functions. Understanding instruction codes is fundamental in programming and operating computers efficiently.
What is the purpose of the PCI slots on a motherboard?- a) To provide power to the motherboard
- b) To connect external storage devices
- c) To expand the computer's hardware capabilities
- d) To cool down the processor
Correct answer is option 'C'. Can you explain this answer?
What is the purpose of the PCI slots on a motherboard?
a)
To provide power to the motherboard
b)
To connect external storage devices
c)
To expand the computer's hardware capabilities
d)
To cool down the processor
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Talent Skill Learning answered |
The PCI slots on a motherboard serve the purpose of expanding the computer's hardware capabilities. These slots allow users to connect additional components such as graphics cards, sound cards, and network cards to enhance the functionality and performance of the computer system.
What is the primary responsibility of the Memory Unit in a computer system?- a) Processing input data directly with the CPU
- b) Storing programs or data temporarily or permanently
- c) Controlling the speed of the computer
- d) Managing the external devices connected to the computer
Correct answer is option 'B'. Can you explain this answer?
What is the primary responsibility of the Memory Unit in a computer system?
a)
Processing input data directly with the CPU
b)
Storing programs or data temporarily or permanently
c)
Controlling the speed of the computer
d)
Managing the external devices connected to the computer
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Talent Skill Learning answered |
The Memory Unit in a computer system is primarily responsible for storing programs or data temporarily or permanently. This unit consists of primary memory (main memory) and secondary memory (auxiliary memory). Primary memory is where data to be worked on is moved before processing, while secondary memory is used to permanently hold data, programs, and output.
Why are registers considered essential components of the CPU?- a)They store data permanently
- b)They control input/output devices
- c)They execute arithmetic operations
- d)They facilitate quick data manipulation
Correct answer is option 'D'. Can you explain this answer?
Why are registers considered essential components of the CPU?
a)
They store data permanently
b)
They control input/output devices
c)
They execute arithmetic operations
d)
They facilitate quick data manipulation
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Talent Skill Learning answered |
Registers are considered essential components of the CPU because they facilitate quick data manipulation. Registers are high-speed storage locations within the CPU that hold data temporarily during processing. By using registers, the CPU can access and manipulate data swiftly, enabling efficient execution of instructions and computations. Registers play a crucial role in optimizing the performance of the CPU by providing rapid access to data and instructions, helping to streamline the overall processing operations.
What is the role of a microprocessor in a computer system?- a) Managing the network connections
- b) Storing large amounts of data
- c) Powering the computer and processing data
- d) Controlling the display settings
Correct answer is option 'C'. Can you explain this answer?
What is the role of a microprocessor in a computer system?
a)
Managing the network connections
b)
Storing large amounts of data
c)
Powering the computer and processing data
d)
Controlling the display settings
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Talent Skill Learning answered |
The microprocessor acts as the "boss" of a computer system. It is the crucial hardware that powers the computer and processes data. The speed of the CPU is dependent on the type of microprocessor it has. For instance, in 1971, Intel introduced the first microprocessor, the Intel 4004, which set the stage for the development of powerful computing devices.
What is the primary function of an Output Unit in a computer system?- a)It processes data
- b)It receives coded information
- c)It converts results into readable form
- d)It changes instructions and data
Correct answer is option 'C'. Can you explain this answer?
What is the primary function of an Output Unit in a computer system?
a)
It processes data
b)
It receives coded information
c)
It converts results into readable form
d)
It changes instructions and data
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Talent Skill Learning answered |
The primary role of an Output Unit in a computer system is to convert processed data into a readable form for users. This converted data is then presented to the user through devices such as monitors, printers, or plotters. Essentially, the Output Unit takes the results of computations performed by the computer and transforms them into a human-understandable format. For instance, it translates digital information into visual or printed outputs that users can interpret and utilize for various purposes, ranging from reading documents to analyzing graphical representations.
Which component on the motherboard stores the system's BIOS?- a) CMOS battery
- b) Fan
- c) Expansion slot
- d) Processor chip
Correct answer is option 'A'. Can you explain this answer?
Which component on the motherboard stores the system's BIOS?
a)
CMOS battery
b)
Fan
c)
Expansion slot
d)
Processor chip
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Talent Skill Learning answered |
The CMOS battery on the motherboard is responsible for storing the system's BIOS. The BIOS (Basic Input/Output System) chip contains the firmware that initializes the hardware during the boot process. The CMOS battery ensures that the BIOS settings are retained even when the computer is powered off.
What is the main function of the data bus in a computer system?- a) Carries commands to access memory or I/O devices
- b) Connects parts inside the motherboard
- c) Carries the location of I/O devices or memory
- d) Carries the actual data to be transferred
Correct answer is option 'D'. Can you explain this answer?
What is the main function of the data bus in a computer system?
a)
Carries commands to access memory or I/O devices
b)
Connects parts inside the motherboard
c)
Carries the location of I/O devices or memory
d)
Carries the actual data to be transferred
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Talent Skill Learning answered |
The data bus in a computer system is primarily responsible for carrying the actual data to be transferred between different components of the computer. It serves as the pathway for transferring information, such as instructions, input, or output data, between the CPU, memory, and other peripheral devices. The data bus plays a critical role in ensuring the efficient and accurate exchange of data within the computer system.
Which component of the CPU contains the electronic circuitry responsible for performing mathematical and logical operations?- a)Registers
- b)Control Unit
- c)Arithmetic Logic Unit (ALU)
- d)Main Memory
Correct answer is option 'C'. Can you explain this answer?
Which component of the CPU contains the electronic circuitry responsible for performing mathematical and logical operations?
a)
Registers
b)
Control Unit
c)
Arithmetic Logic Unit (ALU)
d)
Main Memory
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Talent Skill Learning answered |
The Arithmetic Logic Unit (ALU) within the CPU contains the electronic circuitry that is responsible for performing mathematical and logical operations. It is a critical subcomponent of the CPU that executes tasks such as addition, subtraction, multiplication, division, logical operations (AND, NOT, OR, XOR), and comparison operations. The ALU works in conjunction with registers to store and manipulate data, playing a key role in the processing capabilities of the CPU.
What is the primary function of the Output Unit in a computer system?- a) Receives coded information from the user
- b) Converts instructions and data into a format understood by the computer
- c) Converts processed results into a readable form for users
- d) Presents processed results to the user
Correct answer is option 'C'. Can you explain this answer?
What is the primary function of the Output Unit in a computer system?
a)
Receives coded information from the user
b)
Converts instructions and data into a format understood by the computer
c)
Converts processed results into a readable form for users
d)
Presents processed results to the user
|
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Talent Skill Learning answered |
The primary function of the Output Unit in a computer system is to convert processed results into a readable form for users. This conversion is essential for users to interpret and understand the output generated by the computer system effectively. Additionally, the Output Unit plays a crucial role in presenting these converted results to the user in a format that can be easily interpreted and utilized.
What is the primary function of the Central Processing Unit (CPU) in a computer system?- a)Moving data between main memory and registers
- b)Conducting arithmetic and logic operations
- c)Managing internal and external devices
- d)Storing data in memory
Correct answer is option 'B'. Can you explain this answer?
What is the primary function of the Central Processing Unit (CPU) in a computer system?
a)
Moving data between main memory and registers
b)
Conducting arithmetic and logic operations
c)
Managing internal and external devices
d)
Storing data in memory
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Talent Skill Learning answered |
The primary function of the CPU in a computer system is to conduct arithmetic and logic operations. The CPU acts as the brain of the computer, interpreting and executing instructions in assembly language. It performs tasks such as logical operations, arithmetic operations, and comparison operations through its Arithmetic Logic Unit (ALU). By conducting these operations, the CPU carries out the necessary computations and manipulations on data to make the computer system function effectively.
Which component on the motherboard is responsible for controlling the flow of data between the CPU and other components?- a) Expansion slot
- b) Fan
- c) Processor chip
- d) Buses
Correct answer is option 'D'. Can you explain this answer?
Which component on the motherboard is responsible for controlling the flow of data between the CPU and other components?
a)
Expansion slot
b)
Fan
c)
Processor chip
d)
Buses
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Talent Skill Learning answered |
Buses on the motherboard are responsible for controlling the flow of data between the CPU and other components. Buses act as communication pathways that allow data to be transferred between the various devices connected to the motherboard.
Which bus is known as the system bus and connects parts inside the motherboard like the CPU and memory?- a) Control Bus
- b) Data Bus
- c) Internal Bus
- d) External Bus
Correct answer is option 'C'. Can you explain this answer?
Which bus is known as the system bus and connects parts inside the motherboard like the CPU and memory?
a)
Control Bus
b)
Data Bus
c)
Internal Bus
d)
External Bus
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Talent Skill Learning answered |
The internal bus in a computer system is known as the system bus, and it connects essential parts inside the motherboard, such as the CPU and memory. This bus serves as the main communication pathway for transferring data and instructions between the central processing unit (CPU) and the memory modules. The internal bus plays a crucial role in facilitating the exchange of information within the core components of the computer system, ensuring smooth operation and data flow.
Which type of bus links external devices like peripherals and expansion slots to a computer system?- a) Internal Bus
- b) Control Bus
- c) Data Bus
- d) External Bus
Correct answer is option 'D'. Can you explain this answer?
Which type of bus links external devices like peripherals and expansion slots to a computer system?
a)
Internal Bus
b)
Control Bus
c)
Data Bus
d)
External Bus
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Talent Skill Learning answered |
The external bus in a computer system is responsible for linking external devices such as peripherals, expansion slots, and drive connections to the computer. This bus facilitates communication between the computer and external devices, enabling data transfer to and from these peripherals. It plays a vital role in expanding the capabilities and functionalities of the computer system by connecting it to various external components.
What is the main circuit board found in a computer known as?- a) Logic board
- b) Motherboard
- c) System board
- d) Planar board
Correct answer is option 'B'. Can you explain this answer?
What is the main circuit board found in a computer known as?
a)
Logic board
b)
Motherboard
c)
System board
d)
Planar board
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Talent Skill Learning answered |
The main circuit board found in a computer is known as the motherboard. It is the primary board to which all other computer components like ROM, RAM, expansion slots, PCI slots, and USB ports are connected. It also contains controllers for devices such as the hard drive, DVD drive, keyboard, and mouse.
What is the purpose of an Uninterruptible Power Supply (UPS) device?- a)To increase the speed of a computer's processing
- b)To cool down the computer system during operation
- c)To provide emergency power when the main power source fails
- d)To enhance the graphics performance of a computer
Correct answer is option 'C'. Can you explain this answer?
What is the purpose of an Uninterruptible Power Supply (UPS) device?
a)
To increase the speed of a computer's processing
b)
To cool down the computer system during operation
c)
To provide emergency power when the main power source fails
d)
To enhance the graphics performance of a computer
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Talent Skill Learning answered |
An Uninterruptible Power Supply (UPS) device serves the critical function of providing emergency power to a device when the primary power source fails. This ensures that the connected device can continue to operate seamlessly even during power outages or fluctuations, safeguarding against data loss and system shutdowns.
What is the primary purpose of the address bus in a computer system?- a) Carries the actual data to be transferred
- b) Connects parts inside the motherboard
- c) Carries commands to access memory or I/O devices
- d) Carries the location of I/O devices or memory
Correct answer is option 'D'. Can you explain this answer?
What is the primary purpose of the address bus in a computer system?
a)
Carries the actual data to be transferred
b)
Connects parts inside the motherboard
c)
Carries commands to access memory or I/O devices
d)
Carries the location of I/O devices or memory
|
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Talent Skill Learning answered |
The address bus in a computer system is responsible for carrying the location information of I/O (Input/Output) devices or memory. It plays a crucial role in specifying the memory address or device address to which data needs to be sent or from which data needs to be retrieved. The address bus is essential for enabling the CPU to accurately locate and communicate with specific memory locations or external devices.
What function does an Input Unit serve in a computer system?- a)It takes instructions and data from the user
- b)It converts results into readable form
- c)It presents the results to the user
- d)It processes data
Correct answer is option 'A'. Can you explain this answer?
What function does an Input Unit serve in a computer system?
a)
It takes instructions and data from the user
b)
It converts results into readable form
c)
It presents the results to the user
d)
It processes data
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Talent Skill Learning answered |
The Input Unit in a computer system plays a vital role in facilitating communication between the user and the computer. It is responsible for receiving instructions and data provided by the user, typically through devices like keyboards or mice. The Input Unit then processes this information, translating it into a format that the computer can comprehend and act upon. By taking user input and converting it into a machine-readable form, the Input Unit serves as the gateway through which external commands and data enter the computer system for further processing and execution.
Which computer component is responsible for sending the processed results to the user?- a)Memory Unit
- b)Central Processing Unit
- c)Input Unit
- d)Output Unit
Correct answer is option 'D'. Can you explain this answer?
Which computer component is responsible for sending the processed results to the user?
a)
Memory Unit
b)
Central Processing Unit
c)
Input Unit
d)
Output Unit
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Talent Skill Learning answered |
The Output Unit in a computer system is specifically designed to transmit processed results to the user. Once the Central Processing Unit (CPU) performs computations and processes data, the Output Unit takes this information and converts it into a readable format for users to interpret and utilize. Examples of Output Unit devices include monitors, printers, and plotters, which present the final outcomes of the computer's operations in a comprehensible manner. This component plays a crucial role in the user-computer interaction loop by providing tangible outputs that convey the results of computational tasks.
What does the Instruction Cycle represent of computing?- a)The process of powering up a computer system
- b)The sequence of events when an instruction is read from memory and executed
- c)The steps involved in installing new software on a computer
- d)The process of manufacturing computer processors
Correct answer is option 'B'. Can you explain this answer?
What does the Instruction Cycle represent of computing?
a)
The process of powering up a computer system
b)
The sequence of events when an instruction is read from memory and executed
c)
The steps involved in installing new software on a computer
d)
The process of manufacturing computer processors
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Talent Skill Learning answered |
The Instruction Cycle signifies the sequence of events that occur as an instruction is read from memory and executed in a computer system. This process involves fetching the instruction from memory, translating it for operation, carrying out the instruction, and finally storing the result back in memory. Understanding this cycle is fundamental in comprehending how a computer processes and executes commands effectively.
What is the primary function of a Power Strip tool?- a)To increase the internet speed of a computer
- b)To provide additional storage space on a computer
- c)To help plug in more devices to a wall socket
- d)To cool down the computer system
Correct answer is option 'C'. Can you explain this answer?
What is the primary function of a Power Strip tool?
a)
To increase the internet speed of a computer
b)
To provide additional storage space on a computer
c)
To help plug in more devices to a wall socket
d)
To cool down the computer system
|
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Talent Skill Learning answered |
A Power Strip tool is designed to facilitate the connection of multiple devices to a single wall socket. This tool expands the available electrical outlets, allowing users to power and operate several electronic devices simultaneously from a single power source. It is a convenient solution for managing various gadgets and appliances efficiently.
What is the primary role of the Control Unit (CU) in a computer system?- a)Managing data storage
- b)Executing arithmetic operations
- c)Interacting with input/output devices
- d)Controlling the flow of data within the CPU
Correct answer is option 'D'. Can you explain this answer?
What is the primary role of the Control Unit (CU) in a computer system?
a)
Managing data storage
b)
Executing arithmetic operations
c)
Interacting with input/output devices
d)
Controlling the flow of data within the CPU
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Talent Skill Learning answered |
The primary role of the Control Unit (CU) in a computer system is to control the flow of data within the CPU. The CU interacts with the Arithmetic Logic Unit (ALU) and registers to execute program instructions stored in main memory. It plays a crucial role in fetching instructions, decoding them, and generating control signals that coordinate the operations of the CPU components. By managing the processing of data and instructions, the Control Unit ensures that tasks are carried out in the correct sequence, facilitating the efficient operation of the computer system.
What does the acronym 'SMPS' stand for in relation to the components on a motherboard?- a) System Memory Power Supply
- b) System Motherboard Power System
- c) Switch Mode Power Supply
- d) System Master Processing System
Correct answer is option 'C'. Can you explain this answer?
What does the acronym 'SMPS' stand for in relation to the components on a motherboard?
a)
System Memory Power Supply
b)
System Motherboard Power System
c)
Switch Mode Power Supply
d)
System Master Processing System
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Talent Skill Learning answered |
The acronym 'SMPS' stands for Switch Mode Power Supply in relation to the components on a motherboard. The SMPS is responsible for converting AC power from the wall outlet to the DC power needed by the computer components.
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Computer Awareness and Proficiency
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