Bsc Csit Nepal

2066

Computer Architecture

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

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

  1. Explain the different types of addressing modes and compare each other.
  2. What are the major differences between I/O bus and interface modules? What are the advantage and disadvantage of each?
  3. What are the three possible modes to transfer the data to and from peripherals? Explain.

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

  1. Differentiate between parity checker and parity generator.

  2. What do you mean by shift micro-operations? Explain.

  3. Explain the computer instruction with example.

  4. Mention the type of interrupt and explain it.

  5. What do you mean by field decoding? Explain.

  6. Write down the following equation in three address, two address and one address instruction.

    Y = AB + (C × D) + E( F / G)

  7. Explain the characteristics of RISC and CISC.

  8. Explain the booth algorithm with example.

  9. What is the main function of DMA? Mention the three points DMA configurations.

  10. What are the different types of I/O commands? Explain.

  11. Differentiate between associative page table and replacement.

  12. Write short notes on the following:

    • a) Memory space
    • b) Address space