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Anna University Question Paper Code : 51343
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.
Fourth Semester
Computer Science and Engineering
CS 2253/CS 43/CS 1252 A /080250011/10144 CS 404 — COMPUTER ORGANIZATION AND ARCHITECTURE
(Common to Information Technology)
(Regulation 2008/2010)
(Also Common to PTCS 2253—Computer Organisation and Architecture .for B.E. (Part—Time) Third Semester — CSE —Regulation 2009)
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PART A — (10 x 2 = 20 marks)
1. State the basic performance equation.
2. What do you mean by an interrupt?
3. Define data path.
4. What do you mean by data control stores?
5. Define structural hazard.
6. Give the features of the addressing mode suitable for pipelining.
7. What do you mean by locality of reference?
8. Define Supervisor state.
9. Define memory mapped Input / Output.
10. What is the advantage of DMA?
PART B — (5 x 16 = 80 marks)
11. (a) What do you mean by addressing modes? Explain the types of addressing modes that exists in modern processors? (16)
Or
(b) (i) Explain the rules for basic arithmetic operations of floating point numbers? (10)
(ii) Explain Guard bit and Truncation? (6)
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