ADVANCED MICROPROCESSOR - AM Paper 1

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ADVANCED MICROPROCESSOR B. Tech 8th Sem May 2k5

Max Marks 60
Time 3 hours

Note: Question No. 1 carrying 20 marks is compulsory. Attempt any four questions from Section B

and any two from Section C. Make necessary assumptions wherever required.
Section A 2 marks each
1.

1. What are micro-instruction microcode and microprogram?
2. What is virtual memory?
3. What do you understand by addressing mode?
4. Distinguish between RISC and CISC processors.
5. What is data flow architecture of a processor?
6. Discuss the advantages and disadvantages if RISC and CISC processors.
7. What do you mean by a descriptor table?
8. What to you mean by cache memory? How does it speed up the program execution?
9. What do you mean by MMX?
10. What is microprogramming technique of designing control section for a CPU? What are its
11. merits and demerits?

Section B 5 marks each

2. Draw and discuss the register set of 80386.

3. Enlist four major architectural advancement in 80486 over 80386. What are the data types

supported by 80486?

4. What do you mean by paging? What are its advantages and disadvantages?

5. Explain the cache management unit of 80486.

6. What do you mean by branch prediction? How does it enhance the speed of execution? Explain

the use of branch target buffer in branch prediction.

Section C 10 marks each

7. Draw and discuss the interface of 80387 with 80386.

8. (a) Enlist the salient features of Pentium
(b) Explain the physical address formation in PVAM of 80386

9. (a) Explain the features of Pentium-pro architecture which support dynamic execution of instruction.