Computer Organization and Architecture MCQs

#1. What does GPU stand for in computer graphics technology?

1. Graphics Processing Unit

2. General Processing Unit

3. Graphical Performance Unit

4. General Purpose Unit

5. Graphical Processing Option

#2. Which of the following components is responsible for managing the system clock in a computer system?

1. CPU

2. GPU

3. RAM

4. CMOS Battery

5. Hard Disk

#3. What is the purpose of an instruction register in a CPU?

1. To store the data to be processed

2. To store the current instruction

3. To store the result of an operation

4. To store the address of data

5. To store the BIOS instructions

#4. In computer architecture, what does the term “word” refer to?

1. A single character

2. A group of bits representing a data item

3. A storage unit in the hard disk

4. A unit of memory in a CPU

5. A file or document in the computer

#5. Which of the following is a characteristic of a RISC (Reduced Instruction Set Computing) architecture?

1. Large number of instructions

2. Simple instructions

3. Complex instructions

4. Slow execution speed

5. None of the above

#6. What is the role of the arithmetic logic unit (ALU) in a CPU?

1. To perform arithmetic and logic operations

2. To manage memory operations

3. To control input/output operations

4. To decode instructions

5. None of the above

#7. What is the purpose of pipelining in computer architecture?

1. To transmit data between devices

2. To execute multiple instructions simultaneously

3. To store temporary data

4. To enhance instruction processing speed

5. To manage input/output operations

#8. What does the term “clock cycle” refer to in a CPU?

1. The time taken to execute one instruction

2. The time taken to perform one clock pulse

3. The time taken to switch off the CPU

4. The time taken to restart the CPU

5. None of the above

#9. In computer architecture, what is the purpose of the address bus?

1. To carry instructions to the CPU

2. To carry data between CPU and memory

3. To carry memory addresses

4. To carry instructions from the CPU

5. None of the above

#10. What is the role of the control bus in a computer system?

1. To control the input devices

2. To manage the main memory

3. To control communication between components

4. To control the output devices

5. None of the above

#11. What is the function of the system bus in a computer system?

1. To connect the CPU to external devices

2. To connect the CPU to the motherboard

3. To connect the CPU to the memory

4. To connect the CPU to the hard disk

5. To connect the CPU to the power supply

#12. What does the term “DMA” stand for in computer architecture?

1. Direct Memory Access

2. Dynamic Memory Allocation

3. Digital Media Adapter

4. Dual Mode Access

5. Data Management Architecture

#13. What is the purpose of a memory controller in a computer system?

1. To manage the main memory

2. To control input devices

3. To manage cache memory

4. To control output devices

5. None of the above

#14. What does the term “cache hit” refer to in computer architecture?

1. A cache memory error

2. A cache memory access operation that finds data

3. A cache memory access operation that misses data

4. A cache memory access operation that fails

5. None of the above

#15. Which of the following is a characteristic of a cache memory?

1. Small in size and high in speed

2. Large in size and low in speed

3. Small in size and low in speed

4. Large in size and high in speed

5. None of the above

#16. What does the term “virtual memory” refer to in computer systems?

1. Physical memory allocated for virtual tasks

2. Memory reserved for operating system use

3. An imaginary memory space

4. RAM used for storing virtual objects

5. None of the above

#17. What is the purpose of a memory hierarchy in computer architecture?

1. To confuse computer users

2. To slow down data processing

3. To manage different types of memory

4. To reduce memory access time

5. None of the above

#18. What does the term “bus width” refer to in computer systems?

1. The length of a bus

2. The speed of a bus

3. The number of bits that can be transferred in parallel

4. The capacity of a bus

5. None of the above

#19. In computer architecture, what does the term “word size” refer to?

1. The size of a computer program

2. The size of a memory address

3. The size of a data bus

4. The size of a CPU register

5. The size of a computer screen

#20. What is the purpose of the arithmetic logic unit (ALU) in a CPU?

1. To perform arithmetic and logic operations

2. To manage memory operations

3. To control input/output operations

4. To decode instructions

5. None of the above

#1. What does GPU stand for in computer graphics technology?

#2. Which of the following components is responsible for managing the system clock in a computer system?

#3. What is the purpose of an instruction register in a CPU?

#4. In computer architecture, what does the term “word” refer to?

#5. Which of the following is a characteristic of a RISC (Reduced Instruction Set Computing) architecture?

#6. What is the role of the arithmetic logic unit (ALU) in a CPU?

#7. What is the purpose of pipelining in computer architecture?

#8. What does the term “clock cycle” refer to in a CPU?

#9. In computer architecture, what is the purpose of the address bus?

#10. What is the role of the control bus in a computer system?

#11. What is the function of the system bus in a computer system?

#12. What does the term “DMA” stand for in computer architecture?

#13. What is the purpose of a memory controller in a computer system?

#14. What does the term “cache hit” refer to in computer architecture?

#15. Which of the following is a characteristic of a cache memory?

#16. What does the term “virtual memory” refer to in computer systems?

#17. What is the purpose of a memory hierarchy in computer architecture?

#18. What does the term “bus width” refer to in computer systems?

#19. In computer architecture, what does the term “word size” refer to?

#20. What is the purpose of the arithmetic logic unit (ALU) in a CPU?

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