M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Computer Science and Information Technology
Elective — MICROPROCESSOR AND ASSEMBLY
LANGUAGE PROGRAMMING
(CBCS 2014 onwards)
Time: 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. What is stack pointer?
2. What is the purpose of using Decoder?
3. Write a program Format.
4. Define Macro.
5. Define paging.
6. What is called Segment?
7. Write the Operational modes of 8255.
8. What are the applications of Counter modes?
9. List the Interrupt types.
10. What are functions of memory management?
Sub. Code
4MCI1E3
AFF-4989
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Part B X 5 25)
Answer all questions, selecting One from each Set.
11. What are the different Flags used in ALU? Explain.
Or
Write a short on "Variable Instruction Formats"
with an example.
12. Explain Segments and ENDS directives in detail.
Or
Give a brief note on Macro without parameters.
13. What are the general features of memory Interface?
Explain.
Or
Write a short on segment descriptors.
14. Explain Intel 8086 I/O Structure.
Or
Explain the concept programmable
peripheral interface".
15. With block diagram, explain 8259 Architecture.
Or
Explain the concept of Intel 80486.
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Part C X 10 30)
Answer any three questions.
16. Describe the addressing modes in detail.
17. Explain the simple assembly language with an example.
18. Discuss paging in detail.
19. Illustrate 8279 descriptions.
20. Explain the Pentium II Architecture with neat diagram.
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