Computer Architecture MCQs

Q1. What is computer architecture?

Q2. Which unit performs arithmetic and logical operations?

Q3. Which memory is the fastest?

Q4. The brain of the computer is:

Q5. Which bus carries memory addresses?

Q6. DMA stands for:

Q7. In pipelining, multiple instructions are:

Q8. Which is NOT a pipeline hazard?

Q9. Virtual memory is mainly used to:

Q10. Which register stores the address of the next instruction?

Q11. Cache memory is placed between:

Q12. Which addressing mode contains operand value directly?

Q13. The instruction cycle consists of:

Q14. Which memory is non-volatile?

Q15. A data bus is:

Q16. Which component controls all operations of the CPU?

Q17. Which memory hierarchy level has the largest capacity?

Q18. Which of the following is an example of secondary memory?

Q19. What is the main purpose of pipelining?

Q20. Which addressing mode uses a register to hold operand address?

Q21. Interrupts are used to:

Q22. Which register stores the current instruction?

Q23. Stack organization works on:

Q24. Which processor is designed for parallel data operations?

Q25. Parallel processing improves:

Q26. Associative memory is also known as:

Q27. Which instruction transfers control to another location?

Q28. Which bus carries control signals?

Q29. The process of transferring data directly between I/O and memory is:

Q30. Which memory is closest to CPU?

Q31. Which type of hazard occurs due to branch instructions?

Q32. The number of bits processed by CPU at once is called:

Q33. Which addressing mode is commonly used in loops?

Q34. The MAR register stores:

Q35. Which device manages communication between CPU and peripherals?

Q36. Pipeline stalls reduce:

Q37. Which memory loses data when power is off?

Q38. In instruction format, opcode specifies:

Q39. SIMD stands for:

Q40. Which register temporarily stores arithmetic results?