MICROPROCESSOR (MP) DECEMBER 2013 SEMESTER 5 COMPUTER SCIENCE
Con. 6761-13. LJ-11300
(3 Hours) [Total Marks : 100]
N.B. : (1) Question no. 1 is compulsory.
(2) Answer any four questions from remaining six.
(3) Assume suitable data if necessary.
| 1. | Design 8086 based minimum mode system for following requirements. | 20 |
| (a) | 256 KB ROM using 32 KB x 8 devices. | |
| (b) | 512 KB RAM using 64 KB x 8 devices. | |
| (c) | 2-Nos 8-bit parallel port. | |
| (d) | Support top 15 interrupts. | |
2. (a) | What is segmentation ? What are the merits and demerits of segmentation ? | 10 |
| (b) | What is maximum mode of 8086 ? How it differs from minimum mode ? | 10 |
3. (a) | Draw and explain the architecture of 8086. | 10 |
| (b) | Draw and explain architecture of 8255. | 10 |
4. (a) | Explain the interrupt structure of 8086 processor. | 10 |
| (b) | Explain 8085 processor with neat block diagram. | 10 |
5. | Discuss different multiprocessor systems with merits and demerits of each. | 20 |
6. (a) | Explain the concept of DMA. Also, explain different modes of 8237 A. | 10 |
| (b) | What is bus arbitration ? Discuss various arbitration techniques. | 10 |
7. | Write short notes on :- | |
| (a) Instruction set of 8085. | 5 | |
| (b) Addressing modes of 8086. | 5 | |
| (c) 8253-Programmable interrupt timer. | 5 | |
| (d) IEEE 488. | 5 |
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