Computer Architecture
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Computer Architecture
2081 Boards
Section A
Answer any two questions.
1
What is pipelining? Explain pipelining using 4-segment instruction cycle. What are its advantages?
10
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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.
5
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5
What is instruction format? Explain instruction formats of basic computer and give two examples of each type of instructions.
5
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6
What microoperations are performed in fetch phase of instruction cycle of basic computer? Explain with suitable circuit diagram.
5
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7
Explain common bus system of basic computer with a diagram.
5
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8
What do you understand by Flynn’s classification? Explain.
5
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9
Why I/O interface is important? Discuss the concept of programmed I/O with suitable flowchart.
5
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10
What is meant by cache mapping? Explain working of direct mapping with suitable block diagram.
5
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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
5
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