Annamalai University www.annamalaiuniversity.ac.in Model Question Paper : BSc Computer Science

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Document Described : Annamalai University
B.Sc. DEGREE EXAMINATION, 2010
(COMPUTER SCIENCE)
(SECOND YEAR)
(PART-III)
(PAPER-V)
611. COMPUTER ARCHITECTURE AND MICROPROCESSORS
(New Regulation)
(Including Lateral Entry)
May) (Time: 3 Hours
Maximum: 100 Marks

http://annamalaiuniversity.ac.in/oldquest/
http://annamalaiuniversity.ac.in/old...may10/1272.doc

SECTION-A
Answer any EIGHT questions (8×5=40)
All questions carry equal marks

1.Convert the following decimal numbers to Hexadecimal number.
a) 429 b) 7421

2.Compare interpreter and complier.

3.Explain the various buses in 8085.

4.Explain the circuit and working of a demultiplexer.

5.Explain the instruction format of 8085.

6.What is Data masking? Explain.

7.Write an ALP to transfer block of data available in memory to a different location.

8.What is meant by stack? Discuss PUSH and POP operation.

9.Discuss in detail about the I/O mapped I/O scheme.

10.With an example, explain the closed loop processing control.

SECTION-B
Answer any THREE questions (3×20=60)
All questions carry equal marks

11.What are the basic laws of Boolean algebra? Explain.

12.Draw the block diagram of a 8085 P and explain the functions of each block.

13.Explain the various instruction set of 8085 giving two examples for each.

14.Write 8085 code for a delay loop. Assume your own delay. By means of a flow chart explain the working of the delay loop.

15.Discuss the hardware and software requirements of microprocessor-based system for temperature measurement and control.

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