University of Madras
Chepauk, Chennai- 600 005.
Chepauk, Chennai- 600 005.
Month and Year of Examination
November - 2012
November - 2012
Subject Code: PSC2D Semester: II Year: First Year Time: Three hours Maximum: 75 marks
PART – A (10 * 1 = 10)
Answer any TEN questions.
All questions carry equal marks.
Each answer should not exceed 50 words.
1. List any one way of representing program operations.
2. What is the use of ENDS statement?
3. List any one string instruction of 8086.
4. What is AAM?
5. What is NMI?
6. List any one difference between 8253 and 8254.
7. Give the name of anyone temperature sensor type.
8. Where is BSR control word used?
9. What is DMA?
10.What is multiuser OS?
PART B – (5 * 5 = 25)
Answer any FIVE questions.
All questions carry equal marks.
Each answer should not exceed 200 words.
11. What is top down design?
12. Explain any two assembly language program development tools.
13. Depict in flow chart form the steps in comparing strings.
14. List the interrupt related instructions of 8086.
15. How does 8086 respond to an interrupt?
16. Give the format of data word of 8279 and explain.
17. List and explain the steps in interfacing a DRAM to a microprocessor.
PART – (4* 10 = 40)
Answer any FOUR questions.
All questions carry equal marks.
Each answer should not exceed 500 words.
11. Discuss any five programming structures.
12. List and explain any ten bit manipulation instructions.
13. Discuss the major ways of passing parameters to and from procedures.
14. Explain in detail 8086/88 addressing and address decoding.
15. Discuss the various A/D converter types.
16. Discuss on 8087 Math coprocessor.
Answer any TEN questions.
All questions carry equal marks.
Each answer should not exceed 50 words.
1. List any one way of representing program operations.
2. What is the use of ENDS statement?
3. List any one string instruction of 8086.
4. What is AAM?
5. What is NMI?
6. List any one difference between 8253 and 8254.
7. Give the name of anyone temperature sensor type.
8. Where is BSR control word used?
9. What is DMA?
10.What is multiuser OS?
PART B – (5 * 5 = 25)
Answer any FIVE questions.
All questions carry equal marks.
Each answer should not exceed 200 words.
11. What is top down design?
12. Explain any two assembly language program development tools.
13. Depict in flow chart form the steps in comparing strings.
14. List the interrupt related instructions of 8086.
15. How does 8086 respond to an interrupt?
16. Give the format of data word of 8279 and explain.
17. List and explain the steps in interfacing a DRAM to a microprocessor.
PART – (4* 10 = 40)
Answer any FOUR questions.
All questions carry equal marks.
Each answer should not exceed 500 words.
11. Discuss any five programming structures.
12. List and explain any ten bit manipulation instructions.
13. Discuss the major ways of passing parameters to and from procedures.
14. Explain in detail 8086/88 addressing and address decoding.
15. Discuss the various A/D converter types.
16. Discuss on 8087 Math coprocessor.