DISTANCE EDUCATION
B.C.A/B.C.A. (Lateral) DEGREE EXAMINATION,
DECEMBER 2017.
MICROPROCESSORS AND PERSONAL COMPUTERS
(2003 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
x 20 100)
1. Explain in detail about Microprocessor Vs
Microcomputer.
Write short notes on Address bus, data bus and
control bus.
2. Discuss in detail on General and special purpose
Registers.
Write short notes on ALU Interrupts.
3. Discuss in detail on Information modification and
control Instructions.
Explain the following: Instruction format
Instruction cycle.
4. Explain the multiplication and division of two
numbers.
Discuss the 1s and 2s complement of numbers.
Sub. Code
21
DE-2479
WS
2
5. Explain memory hierarchy.
Explain the various semiconductor memories in
detail.
6. Explain Serial and parallel transmission data
transfer methods.
Discuss in detail on Isolated I/O and Interrupt
driven I/O.
7. Draw the internal organization of 80486 and briefly
explain the function.
Write short notes on video cards VGA, SVGA.
8. Explain in detail about active preventive
maintenance procedures.
Explain the data backup system.
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