Code No-NR- 310201

III-B.Tech. I-Semester Supplementary Examinations, May/June-2004

COMPUTER ORGANIZATION
Set No. 1
(common to EEE, ECE, EIE and ET)

Time: 3 Hours
Max. Marks: 80

Answer any FIVE questions

All questions carry equal marks

1. Convert the following binary numbers to their equivalent decimal and hexadecimal representation.

(a) 1010.0111
(b) 10.01

2. (a) Define PCI. Explain the applications of PCI.

(b) Describe any ten mandatory PCI signals.

3. Explain common addressing modes with algorithms, merits and demerits of each in detail.

4. (a) List and describe integer arithmetic and logical instructions of Motorola 88000.

(b) Discuss about functioning of Motorola 88000 instruction unit pipeline.

5. (a) Discuss about address translation in paging.

(b) How does page size effects storage utilization and effective memory data transfer rate?

6. (a) What is the transfer rate for 9-track magnetic tape unit whose tape speed is 120 inches?

(b) Elaborate about erasable optical disk.

7. Discuss about horizontal and vertical instruction formats. Also differentiate between horizontal and vertical instruction formats.

8. A pipelined processor has two branch delay slots. An optimizing compiler can fill one of these slots. 85 percent of the time and can fill second slot only 20 percent of the time. What is the percentage improvement in performance achieved by this optimization.?