csc213

Computer Architecture

Hard Exam Preparation: 3 days
Question Papers (8)
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FM: 60 PM: 24

Computer Architecture

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Section A

Answer any two questions.

1

What is pipelining? Explain pipelining using 4-segment instruction cycle. What are its advantages?

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2

What do you understand by priority interrupt? Explain polling, daisy-chaining and parallel priority interrupt.

10

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3

Draw flowchart for addition and subtraction of signed 2’s complement numbers and perform the operation (90-43).

10

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Section B

Answer any eight questions.

4

How parity bit is generated in even parity? Demonstrate with suitable table and circuit diagram.

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5

What is instruction format? Explain instruction formats of basic computer and give two examples of each type of instructions.

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6

What microoperations are performed in fetch phase of instruction cycle of basic computer? Explain with suitable circuit diagram.

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7

Explain common bus system of basic computer with a diagram.

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8

What do you understand by Flynn’s classification? Explain.

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9

Why I/O interface is important? Discuss the concept of programmed I/O with suitable flowchart.

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10

What is meant by cache mapping? Explain working of direct mapping with suitable block diagram.

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11

Explain different types of shift microoperations.

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12

Write short notes on:
a) CISC
b) Conditional branch

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