BIT151 Microprocessor and Computer Architecture

Microprocessor and Computer Architecture old question papers

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12 questionsSit this paper (timed)

Tribhuvan University

Bachelor of Information Technology

Semester 2 · TU Board 2080

Course Title: Microprocessor and Computer Architecture (BIT151)

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

Candidates are required to give their answers in their own words as far as practicable.

Group A

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

  1. 1.

    What is microprocessor? Draw a well labelled block diagram of 8085 microprocessor and explain its different components.

    10
  2. 2.

    What are different instructions available in SAP 1 computer? Explain the fetch and execution cycle of LDA instruction of SAP 1 computer along with its timing diagram.

    10
  3. 3.

    What is micro-program and micro-instruction? Describe symbolic micro-program for instruction FETCH routine of basic computer.

    10

Group B

Attempt any Eight questions(8 × 5 = 40)

  1. 4.

    Write a program to perform 8 bit division of data stored in memory location 8050 by data stored in memory location 8051 and store the quotient in memory location 8052 and remainder in 8053 memory location.

    5
  2. 5.

    Explain different Logical Microoperations with example.

    5
  3. 6.

    Explain the register organization of basic computer.

    5
  4. 7.

    Explain memory hierarchy present in the computer system.

    5
  5. 8.

    What is DMA? Explain the role of DMA controller in data transfer.

    5
  6. 9.

    What is pipelining? Explain the four segment instruction pipelining.

    5
  7. 10.

    Perform 2's complement multiplication of (15) x (-13) using Booth's Multiplication algorithm.

    5
  8. 11.

    What is addressing mode? Explain different addressing mode in 8085 microprocessor.

    5
  9. 12.

    Write short notes on: a) RISC b) Page Fault

    5

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