Question 1

Which component of the CPU is responsible for performing arithmetic and logical operations?

Accepted Answer

ALU (Arithmetic Logic Unit)

Answer

Cache

Answer

CU (Control Unit)

Answer

Registers

Question 2

What is the role of the Control Unit (CU) in the CPU?

Accepted Answer

Controls the flow of data within the CPU

Answer

Manages external memory devices

Answer

Stores temporary data for quick access

Answer

Performs arithmetic operations

Question 3

Which component of the CPU stores frequently accessed data and instructions to speed up processing?

Accepted Answer

Cache

Answer

CU (Control Unit)

Answer

ALU (Arithmetic Logic Unit)

Answer

Registers

Question 4

What is the function of registers in the CPU?

Accepted Answer

Store data and instructions temporarily for quick access

Answer

Control the flow of data within the CPU

Answer

Manage external memory devices

Answer

Perform arithmetic and logical operations

Question 5

What is the function of the Arithmetic Logic Unit (ALU) in the CPU?

Accepted Answer

Performs arithmetic and logical operations on data

Answer

Controls the flow of data within the CPU

Answer

Stores frequently accessed data and instructions

Answer

Manages external memory devices

Question 6

What is the purpose of the fetch-execute cycle in the CPU?

Accepted Answer

To fetch instructions from memory and execute them sequentially

Answer

To perform arithmetic and logical operations

Answer

To manage external memory devices

Answer

To store data temporarily for quick access

Question 7

Which component of the CPU is responsible for coordinating the activities of all other components?

Accepted Answer

Control Unit (CU)

Answer

Registers

Answer

Arithmetic Logic Unit (ALU)

Answer

Cache

Question 8

Which component of the CPU is responsible for temporarily storing data and instructions before they are processed?

Accepted Answer

Registers

Answer

CU (Control Unit)

Answer

Cache

Answer

ALU (Arithmetic Logic Unit)

Question 9

Which component of Von Neumann architecture holds the address of the next instruction to be fetched from memory?

Accepted Answer

Program Counter

Answer

Accumulator

Answer

Memory Data Register

Answer

Memory Address Register

Question 10

Which component of Von Neumann architecture temporarily holds data being fetched or stored in memory?

Accepted Answer

Memory Data Register

Answer

Memory Address Register

Answer

Accumulator

Answer

Program Counter

Question 11

Which component of Von Neumann architecture is used for arithmetic and logic operations in the CPU?

Accepted Answer

Accumulator

Answer

Memory Address Register

Answer

Memory Data Register

Answer

Program Counter

Question 12

Which component of Von Neumann architecture is responsible for temporarily storing the result of arithmetic or logic operations?

Accepted Answer

Accumulator

Answer

Memory Address Register

Answer

Program Counter

Answer

Memory Data Register

Question 13

Which component of Von Neumann architecture holds the address of the next instruction to be fetched from memory?

Accepted Answer

Program Counter

Answer

Memory Data Register

Answer

Accumulator

Answer

Memory Address Register

Question 14

What is the purpose of the Memory Address Register (MAR) in Von Neumann architecture?

Accepted Answer

To store the memory address of data to be accessed

Answer

To temporarily hold data being fetched from memory

Answer

To store the result of calculations

Answer

To perform arithmetic and logic operations

Question 15

What is the function of the Program Counter in Von Neumann architecture?

Accepted Answer

To hold the memory address of the next instruction to be fetched

Answer

To store the result of arithmetic operations

Answer

To perform logic operations within the CPU

Answer

To temporarily hold data fetched from memory

Question 16

What is the main function of the Accumulator in Von Neumann architecture?

Accepted Answer

To temporarily store the result of arithmetic or logic operations

Answer

To hold the memory address of the next instruction to be fetched

Answer

To store data fetched from memory

Answer

To serve as a buffer for data transfers

Question 17

How do common characteristics of CPUs impact their performance?

Accepted Answer

Clock speed, cache size, and number of cores

Answer

Software version, screen resolution, battery capacity

Answer

Voltage, RAM size, GPU brand

Answer

Mouse sensitivity, keyboard color, wifi speed

Question 18

Which of the following CPU characteristics is responsible for temporarily storing frequently accessed data for quick retrieval?

Accepted Answer

Cache size

Answer

Clock speed

Answer

Number of cores

Answer

RAM capacity

Question 19

How does increasing the number of CPU cores typically impact the performance of a computer?

Accepted Answer

It can improve multitasking capabilities and processing power.

Answer

It reduces the speed of individual tasks.

Answer

It lowers the overall CPU efficiency.

Answer

It enhances graphic performance.

Question 20

Which CPU characteristic is responsible for determining how many instructions a CPU can execute in a given period of time?

Accepted Answer

Clock speed

Answer

RAM speed

Answer

Number of cores

Answer

Cache size

Question 21

How does a higher clock speed typically affect the performance of a CPU?

Accepted Answer

It allows the CPU to process instructions faster.

Answer

It reduces the number of cores.

Answer

It improves the RAM capacity.

Answer

It increases the cache size.

Question 22

Which CPU characteristic helps in reducing the latency in accessing data stored in memory?

Accepted Answer

Cache size

Answer

RAM capacity

Answer

Number of cores

Answer

Clock speed

Question 23

How does the number of CPU cores affect the performance of tasks that can be parallelized?

Accepted Answer

It can lead to faster execution of tasks that can be split into multiple simultaneous processes.

Answer

It decreases overall system efficiency.

Answer

It only impacts single-threaded tasks.

Answer

It improves graphic rendering speed.

Question 24

How does the cache size of a CPU impact the performance of applications that require frequent data access?

Accepted Answer

A larger cache size can result in faster access to frequently used data, improving application performance.

Answer

A larger cache size decreases overall CPU speed.

Answer

A smaller cache size speeds up application execution.

Answer

Cache size has no effect on application performance.

Question 25

Which CPU characteristic refers to the number of processing units within the CPU that can independently execute instructions?

Accepted Answer

Number of cores

Answer

Cache size

Answer

RAM capacity

Answer

Clock speed

Question 26

In what way does the clock speed of a CPU affect the speed of data processing?

Accepted Answer

A higher clock speed allows the CPU to execute instructions more quickly.

Answer

A higher clock speed reduces the cache size.

Answer

A higher clock speed decreases the number of CPU cores.

Answer

A higher clock speed improves the RAM capacity.

Question 27

Which of the following best describes embedded systems?

Accepted Answer

Systems designed to perform specific tasks or functions within a larger system

Answer

Systems that have multiple users accessing them simultaneously

Answer

Systems that are not connected to any other devices

Answer

Systems that can be easily reprogrammed by users

Question 28

Which of the following is an example of an embedded system?

Accepted Answer

Smart home devices like thermostats and security cameras

Answer

Smartphones and tablets

Answer

Laptops and desktop computers

Answer

Gaming consoles like PlayStation and Xbox

Question 29

What are the characteristics of embedded systems?

Accepted Answer

Small in size, dedicated to specific tasks, and often operate in real-time

Answer

Highly customizable, can perform multiple functions, and operate at slow speeds

Answer

Large in size, designed for general-purpose tasks, and operate offline

Answer

Connect to the internet, have complex user interfaces, and operate asynchronously

Question 30

Which of the following is not an example of an embedded system?

Accepted Answer

Personal computers like desktops and laptops

Answer

Electronic appliances like washing machines and microwave ovens

Answer

Wearable devices like smartwatches and fitness trackers

Answer

Automotive systems like engine control units and infotainment systems

Question 31

What is the primary purpose of embedded systems?

Accepted Answer

To perform specific tasks or functions within a larger system efficiently

Answer

To be easily reconfigured for different tasks by users

Answer

To have a wide range of functions to cater to diverse user needs

Answer

To operate independently without any connections to other devices

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