Computer Organization and Architecture MCQs

#1. What does CPU stand for?

1. Central Processing Unit

2. Central Process Unit

3. Computer Personal Unit

4. Central Processor Unit

5. Central Personal Unit

#2. Which of the following is a volatile memory?

1. ROM

2. Flash memory

3. RAM

4. Cache memory

5. Hard disk

#3. What is the purpose of the control unit in a CPU?

1. Performs arithmetic operations

2. Manages memory operations

3. Controls input/output operations

4. Decodes instructions

5. None of the above

#4. What does the ALU stand for in the context of a CPU?

1. Arithmetic and Logic Unit

2. Arithmetic Linear Unit

3. Advanced Logic Unit

4. Application Logic Unit

5. All-purpose Logic Unit

#5. Which of the following is a secondary storage device?

1. RAM

2. CPU

3. Hard disk

4. Cache memory

5. ROM

#6. What is the primary function of the control unit in a CPU?

1. Perform arithmetic operations

2. Manage memory operations

3. Control input/output operations

4. Decode instructions

5. None of the above

#7. Which component of the CPU performs arithmetic and logic operations?

1. Control Unit

2. ALU (Arithmetic and Logic Unit)

3. Memory Unit

4. Cache Memory

5. Input Unit

#8. What is the purpose of the clock in a computer system?

1. To display time

2. To synchronize operations of various components

3. To measure the speed of the CPU

4. To generate electricity

5. None of the above

#9. What does RAM stand for in computer terminology?

1. Random Access Memory

2. Read-Only Memory

3. Rapid Access Memory

4. Real-time Access Memory

5. Random Antivirus Memory

#10. What does ROM stand for in computer terminology?

1. Random Operating Memory

2. Read-Only Memory

3. Rapid Operating Memory

4. Real-time Operating Memory

5. Random Operating Module

#11. Which memory unit has the fastest access time?

1. RAM

2. Cache Memory

3. Hard Disk

4. Optical Disk

5. ROM

#12. What is the role of the CPU in a computer system?

1. Storage of data

2. Processing of data

3. Displaying output

4. Accepting input from the user

5. None of the above

#13. Which one of the following is a volatile memory?

1. ROM

2. Flash Memory

3. RAM

4. Hard Disk

5. CD-ROM

#14. Which memory unit is non-volatile and can be electrically erased and reprogrammed?

1. RAM

2. ROM

3. Flash Memory

4. Cache Memory

5. Optical Disk

#15. What does the term “Bit” represent in computer science?

1. Binary Digit

2. Byte

3. Megabyte

4. Kilobyte

5. Decimal Digit

#16. What is the size of a standard memory address in a 32-bit computer system?

1. 8 bits

2. 16 bits

3. 32 bits

4. 64 bits

5. 128 bits

#17. What is the function of the Memory Management Unit (MMU) in a computer system?

1. To control the input devices

2. To manage the main memory

3. To manage the cache memory

4. To control the output devices

5. None of the above

#18. What is the purpose of a cache memory in a computer system?

1. To store data temporarily

2. To store the operating system

3. To store data permanently

4. To store application software

5. To store the BIOS (Basic Input/Output System)

#19. Which of the following is a characteristic of ROM?

1. Volatile memory

2. Non-volatile memory

3. Temporary memory

4. Slow access time

5. None of the above

#20. In a computer system, where is the BIOS (Basic Input/Output System) stored?

1. RAM

2. Hard Disk

3. Cache Memory

4. ROM

5. CD-ROM

Computer Organization and Architecture MCQs

#1. What does CPU stand for?

#2. Which of the following is a volatile memory?

#3. What is the purpose of the control unit in a CPU?

#4. What does the ALU stand for in the context of a CPU?

#5. Which of the following is a secondary storage device?

#6. What is the primary function of the control unit in a CPU?

#7. Which component of the CPU performs arithmetic and logic operations?

#8. What is the purpose of the clock in a computer system?

#9. What does RAM stand for in computer terminology?

#10. What does ROM stand for in computer terminology?

#11. Which memory unit has the fastest access time?

#12. What is the role of the CPU in a computer system?

#13. Which one of the following is a volatile memory?

#14. Which memory unit is non-volatile and can be electrically erased and reprogrammed?

#15. What does the term “Bit” represent in computer science?

#16. What is the size of a standard memory address in a 32-bit computer system?

#17. What is the function of the Memory Management Unit (MMU) in a computer system?

#18. What is the purpose of a cache memory in a computer system?

#19. Which of the following is a characteristic of ROM?

#20. In a computer system, where is the BIOS (Basic Input/Output System) stored?

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