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Posted By: kondapalli Member Level: Gold Posted Date: 08 May 2008
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2007 Jawaharlal Nehru Technological University B.Tech Electrical and Electronics COMPUTER ORGANIZATION setno2 Question paper
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1. (a) Differentiate between dedicated and multiplexed bus lines.
(b) Discuss various methods of bus arbitration.
(c) What do you mean by bus width? [5+7+4]
2. Convert the following decimal numbers to base three and to base five.
(a) 73
(b) 10.333
(c) 21.25 [4+6+6]
3. Write programs to execute Y= (A-B) / (C+D*E) using one-address, two-address
and three-address instructions. [16]
4. (a) List the characteristics of superscalar processors and contrast it with CISC
processors.
(b) Explain the instruction execution characteristics of RISC processors.
(c) What is semantic gap problem? [6+6+4]
5. Write short notes on the following approaches with suitable examples. What are
merits and demerits of each.
(a) First - fit
(b) Best - fit
(c) Worst - fit [5+6+5]
6. (a) Explain about magnetic disk layout
(b) Elaborate on Winchester disk track format. [8+8]
7. (a) Differentiate between micro programmed and hard wired control units with
merits and demerits of each.
(b) Discuss about the design considerations of micro instruction sequencing tech-
nique. [8+8]
8. (a) Explain about directory protocols.
(b) Draw and explain the state diagram for MESI protocol. [6+10]
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