Computer Organization and Architecture MCQs – Page 5

#1. In computer architecture, what is the function of a flip-flop circuit?

1. To store a single bit of data

2. To perform arithmetic operations

3. To manage memory operations

4. To control input/output operations

5. None of the above

#2. What is the purpose of a RAID controller in computer storage systems?

1. To control network connections

2. To manage memory operations

3. To manage disk drives

4. To handle RAID configurations

5. None of the above

#3. What does the term “word alignment” refer to in computer memory systems?

1. Storing words in a sequential manner

2. Storing words at random memory addresses

3. Storing words at addresses divisible by a certain value

4. Storing words with equal spacing

5. None of the above

#4. In computer architecture, what is the purpose of a multiplexer (MUX) circuit?

1. To perform addition operations

2. To select one of many input signals

3. To manage memory operations

4. To control input/output operations

5. None of the above

#5. What does the term “system bus” refer to in computer systems?

1. A bus that connects the CPU to external devices

2. A bus that connects the CPU to the memory

3. A bus that connects the CPU to the hard disk

4. A bus that connects the CPU to the power supply

5. None of the above

#6. In computer architecture, what is the purpose of a demultiplexer (DEMUX) circuit?

1. To perform subtraction operations

2. To convert parallel data into serial data

3. To select one of many output signals

4. To manage memory operations

5. None of the above

#7. What is the function of a memory buffer register (MBR) in a computer system?

1. To store data temporarily

2. To store the result of an arithmetic operation

3. To store the address of data to be accessed

4. To store the program counter value

5. None of the above

#8. What does the term “little-endian” refer to in computer architecture?

1. A system in which the most significant byte is stored at the lowest memory address

2. A system in which the least significant byte is stored at the lowest memory address

3. A system in which data is stored in a random order

4. A system in which data is stored sequentially

5. None of the above

#9. What is the purpose of a memory map in computer systems?

1. To display a visual representation

2. To store data temporarily

3. To store addresses of memory locations

4. To organize memory addresses

5. To map data to specific memory locations

#10. In computer architecture, what is the purpose of a pipeline stall?

1. A delay in the pipeline stages

2. A blockage in the data bus

3. A failure in the CPU cooling system

4. A malfunction in the ALU

5. None of the above

#11. What is the primary function of a memory cache in a computer system?

1. To store data temporarily

2. To provide additional storage for large files

3. To improve memory access speed

4. To store the operating system kernel

5. To prevent unauthorized access to data

#12. What does the term “clock speed” refer to in computer architecture?

1. The speed of the data bus

2. The speed of the hard disk

3. The speed of the system bus

4. The speed of the CPU processing cycles

5. The speed of the printer

#13. In computer architecture, what is the role of the program counter (PC)?

1. To store the current instruction

2. To store the result of an arithmetic operation

3. To store the memory address of data to be accessed

4. To store the system clock value

5. None of the above

#14. What is the purpose of the memory data register (MDR) in a computer system?

1. To store the current instruction

2. To store the result of an arithmetic operation

3. To store the data to be read from or written to memory

4. To store the program counter value

5. None of the above

#15. In computer architecture, what is the function of the instruction register (IR)?

1. To store the program counter value

2. To store the result of an arithmetic operation

3. To store the current instruction

4. To store the memory address of data

5. None of the above

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

1. A request for CPU attention

2. A type of memory error

3. A malfunction in the hard disk

4. A failure in the power supply

5. None of the above

#17. In computer architecture, what is the purpose of an interrupt vector?

1. To store memory addresses for interrupts

2. To store the result of an arithmetic operation

3. To store the CPU clock frequency

4. To store the program counter value

5. None of the above

#18. What is the function of the interrupt service routine (ISR) in a computer system?

1. To manage input/output operations

2. To handle interrupts by executing specific tasks

3. To store the interrupt vector addresses

4. To manage memory operations

5. None of the above

#19. In computer architecture, what is the purpose of the system clock?

1. To display the current time

2. To measure the CPU temperature

3. To synchronize operations of various components

4. To control the computer fan speed

5. None of the above

#20. What is the role of a digital signal processor (DSP) in computer systems?

1. To process digital audio and video signals

2. To process paper documents

3. To handle human-machine interactions

4. To process analog audio and video signals

5. None of the above

Finish

Results

Download as PDF