Code No-NR- 310201

III-B.Tech. I-Semester Supplementary Examinations, November-2002

COMPUTER ORGANIZATION
Set No. 3
(common to EEE, ECE, EIE and ET)

Time: 3 Hours
Max. Marks: 80

Answer any FIVE questions

All questions carry equal marks

1. Describe 8085 cpu organization.

2. (a) Describe Memory hierarchy.

(b) What is Virtual memory?Explain,how demand paging is implemented.

3. Write an 8085 assembly language program for generating factorial of 'N'(N!),where NM ≤ 5.

4. (a) Explain various applications of microprogramming.

(b) Explain, how interrupt driven I/O is implemented?

5. (a) Compare horizontal and vertical microinstructions.

(b) What is RISC. What are the advantages of RISC.

6. (a) Explain the concept of instruction pipelining.

(b) Compare memory mapped I/O and I/O mapped.

7. Perform the following arithmetic operations in 1's and 2's compliment.

(a) 272_ 42
(b) -2 _ 28
(c) 72_ 14

8. Write short notes on the following :

(a) Cache memory
(b) Pentium processors
(c) DMA.