Code No-NR- 310201

III-B.Tech. I-Semester Supplementary Examinations, June-2003

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. (a) Explain the architecture of Von Neumann machine clearly.

(b) Prove that the multiplication of two n-digit numbers in base B gives a product of no more than 2n digits.

2. (a) Explain the steps involved in instruction execution using a state diagram.

(b) Compare Zero-, One-, Two- , and Three-address machines by writing a low level program to compute (A+B)/(D*C-E*F) for each of the 4 machines.

3. (a) Describe the working of a microprogrammed sequence.

(b) Describe Wilk's control unit design.

4. Clearly explain the following terms:

a) Microprogram (b) Microinstruction
(c) Microprogramming (d) Microprogramming language.

5. (a) Compare and contrast magnetic tape with magnetic disk.

(b) Explain the reading mechanism used in a CD-ROM.

6. (a) What are the disadvantages of segmentation technique?

(b) What do you mean by SWAO area?

(c) Explain about demand segmentation technique in detail.

7. (a) Describe an asynchronous data transfer using store control with the help of the mug diagram.

(b) Describe a sample I/O with out of syllabus.

8. (a) Describe the centralized and distributed bus arbitration schemes.

(b) Discuss the need of interface circuits.