Bsc Csit Nepal

2067

Computer Architecture

Full Marks: 80
Pass Marks: 32
Time: 3 hours

Attempt any two questions: (2 x 10 = 20)

  1. Explain the Micro program sequence with example.
  2. Explain with example of Data manipulation instructions.
  3. Explain the non-restoring Division algorithm, flow chart hardware implementation with example.

Attempt any ten questions: (10 x 6 = 60)

  1. What do you mean by instruction format? Explain.
  2. Differentiate between Hardwired and Micro program control unit.
  3. What do you mean by logic micro-operations?
  4. Differentiate between direct and indirect addressing modes.
  5. Explain with example of Data transfer instructions.
  6. What are the major differences between RISC and CISC architecture.
  7. Explain the subtraction algorithm with signed 2’s compliment.
  8. Differentiate between isolated I/O and Memory Mapped I/O.
  9. What is DMA transfer? Explain.
  10. What is the role of input-output processor (IOP) in computer system? Explain.
  11. What is memory management hardware? Explain.
  12. Write short notes on the following:
    • a. Sequential memory hierarchy.
    • b. Random memory hierarchy.