Tribhuvan University
Bachelor of Computer Application
Semester 2 · TU Board 2024
Course Title: Microprocessor and Computer Architecture (CACS155)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to answer the question in their own words as far as possible.
Group A
Group B
Attempt any SIX question.(6 × 5 = 30)
- 2.5
Compare 8085 and 8086 microprocessors. Let A=454 and B=674, find the content of flag register when SUB B is performed.
- 3.5
Draw timing diagram of MVI B, 354 instruction with proper explanation.
- 4.5
Explain data transfer and arithmetic instruction.
Answer comingAlso asked in 2019
- 5.5
Write codes for following statement by using zero, one and three address instructions. X = (A+B-C)(D+E*F).
- 6.5
Draw and explain arithmetic pipeline.
Answer comingAlso asked in 2021
- 7.5
What is vector processing? Explain Flynn's classification of parallel processing.
Answer comingAlso asked in 2021
- 8.5
Explain the following instructions. a) DAA b) RLC c) INX B
Group C
Attempt any TWO questions(2 × 10 = 20)
- 9.10
Define micro-operation, micro-instruction and micro-program. Write a program to find smallest element among block of data. The length of the block is in the memory location 2310H and block itself starts from memory location 2050H.
- 10.10
Draw the diagram of microprogrammed sequencer for control memory and explain it.
- 11.10
What is interrupt? Explain its types. Explain how matrix multiplication is carried out on a computer supporting vector computation.
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