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FIFTH SEMESTER B.Sc. DEGREE EXAMINATION, NOVEMBER 2018

(CUCBCSS—UG)
Computer Science

BCS 5B 08—COMPUTER ORGANIZATION AND ARCHITECTURE

: Three Hours Maximum : 80 Marks

Part A

Answer all questions.
Each question carries 1 mark.

What are registers ?
What are the major parts of CPU ?
What is meant by pipelining ?
What do you mean by addressing mode ?
What is micro program ?
What are interrupts ?
What is a cache memory ?
What do you mean by physical address ?
What are instruction codes ?
What is DMA ?
(10 > 1
Part B (Short Answer)
Answer all questions.
Each question carries 2 marks.
Define the terms Computer Organization and architecture.
What is the purpose of a program counter ? Explain with an example.
What is parallel processing ? Explain.
What is asynchronous data transfer ?
Compare between CISC and RISC.
{5 x 2

= 10 marks)

= 10 marks)

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