CSC213 Computer Architecture

Computer Architecture TU Board 2079 question paper

12 questionsSit this paper (timed)

Tribhuvan University

Bachelor of Science in Computer Science and Information Technology

Semester 3 · TU Board 2079

Course Title: Computer Architecture (CSC213)

Full Marks: 60Pass Marks: 24Time: 3 hours

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Group A

Attempt any two questions.(2 × 10 = 20)

  1. 1.

    What is cache memory? Explain the mapping process. Differentiate between direct mapping and associate mapping.

    10
  2. 2.

    Describe micro-programmed control unit. Explain different types of addressing modes with example.

    10
  3. 3.

    Differentiate between floating point representation and fixed point representation. Divide 23 by 9 using restoring division algorithm.

    10

Group B

Attempt any eight questions.(8 × 5 = 40)

  1. 4.

    What are different methods for representing signed numbers? Represent (-71) in those formats.

    5
  2. 5.

    Explain Direct Memory Acess with suitable diagram.

    5
  3. 6.

    Explain the data transfer and manipulation instruction with example.

    5
  4. 7.

    Explain common bus system for basic computer.

    5
  5. 8.

    Explain the binary adder-subtractor circuit with suitable diagram.

    5
  6. 9.

    What do you mean by Register Transfer Language? Explain the use of Register Transfer Language control function.

    5
  7. 10.

    What do you mean by sequencer? Explain with microprogram sequencer.

    5
  8. 11.

    Write the program for the following statement using three, single, zero address instructions.

    X = (AB+C-D) / (E+FG)

    5
  9. 12.

    Write short notes on (any two):

    • a) CISC

    • b) Overlapped register

    • c) Pipelining hazards

    5

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