Tribhuvan University
Bachelor of Science in Computer Science and Information Technology
Semester 3 · TU Board 2081
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 Question.(2 × 10 = 20)
- 1.10
What is pipelining? Explain pipelining using 4-segment instruction cycle. What are its advantages?
- 2.10
What do you understand by priority interrupt? Explain polling, daisy-chaining and parallel priority interrupt.
- 3.10
Draw flowchart for addition and subtraction of signed 2's complement numbers and perform the operation (90-43).
Group B
Attempt any Eight Questions.(8 × 5 = 40)
- 4.5
How parity bit is generated in even parity? Demonstrate with suitable table and circuit diagram.
- 5.5
What is instruction format? Explain instruction formats of basic computer and give two examples of each type of instructions.
- 6.5
What microoperations are performed in fetch phase of instruction cycle of basic computer? Explain with suitable circuit diagram.
- 7.5
Explain common bus system of basic computer with a diagram.
Answer comingAlso asked in 2079
- 8.5
What do you understand by Flynn's classification? Explain.
- 9.5
Why I/O interface is important? Discuss the concept of programmed I/O with suitable flowchart.
- 10.5
What is meant by cache mapping? Explain working of direct mapping with suitable block diagram.
- 11.5
Explain different types of shift microoperations.
- 12.5
Write short notes on:
a) CISC
b) Conditional branch
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