DISTANCE EDUCATION
B.C.A./B.C.A. (Lateral) DEGREE EXAMINATION, MAY 2017.
MICROPROCESSORS AND PERSONAL COMPUTERS
(2003 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
20 100)
1. With a neat block diagram, explain the functions of
address, data and control bus.
Briefly explain about SSI and LSI technologies.
2. What is an interrupt? Explain about the software
and hardware interrupts.
Explain in detail about timing and control circuit
functions.
3. Discuss in detail about 8085 instruction sets.
Explain the various data transfer instructions in
8085 Microprocessor.
4. Write an AL program to Divide two numbers of 8 bit
data stored in memory locations 4204 H and
4205 H. Store the remainder in 4202 H and the
quotient in 4203 H.
Write an AL program to find complement of
96 H.
Sub. Code
21
DE-176
WSS
2
5. Discuss in detail about Semiconductor memories.
Write a detailed note on Compact disks.
6. Explain briefly the Parallel data transfer and Serial
data transfer scheme.
What is Programmed Explain.
7. Discuss in detail about Pentium Motherboard.
Explain about SCSI and EISA in briefly.
8. Explain the importance of Preventive Maintenance
of a PC.
Explain the data backup systems.