Madras University %28UnOM%29 2006 B.C.A Computer Application Microprocessor and its applications - exam paper
Monday, 12 August 2013 04:15Web
PART A - (10 x three = 30 marks)
ans any TEN ques..
All ques. carry equal marks.
every ans should not exceed 50 words.
1. elaborate 3 components in microprocessor
based systems?
2.Define Memory.
3.What is machine language?
4. List any 3 operations commonly performed by
the MPU.
5. elaborate 3 kinds of memory transfer
instructions in 8085 instruction set?
6. discuss anyone kind of 'compare' operation in
8085 instruction set.
7.What are additional techniques for time delay?
8.Define stack.
9.List the operations of RET instruction.
10.Define Maskable Interrupt.
11.Explain the function of disable interrupt.
12.Write about HCDA signal.
PART B - (5 x six = 30 marks)
ans any 5 ques..
All ques. carry equal marks.
every ans should not exceed 200 words.
13. discuss the functions of different components of a
microprocessor based system.
14. explain about the 8085 machine language and
assembly language.
15. explain about the input/output instructions and
port addresses.
16. define the functions of the machine control
instructions HLT and NOP.
17. discuss the conditional call and return
instructions with an example.
18. discuss the multibyte subtraction with an
example.
19.Write a note on "memory mapped I/O".
PART C - (4 x 10 = 40 marks)
ans any 4 ques..
All ques. carry equal marks.
every ans should not exceed 500 words.
20. explain in detail about 8085 instruction set and
classifications.
21. discuss with an example of looping, counting and
indexing.
22. Briefly discuss the necessary instructions for
using the stack.
23. Illustrate a program for BCD-to-common-cathode
LED code conversion.
24. discuss the hexadecimal counter and pulse
timings for flashing lights.
25.Explain the direct memory access in detail.
Earning: Approval pending. |