Thursday, September 1, 2016
Total No. of Questions : 07
COMPUTER SYSTEM ARCHITECTURE
Subject Code : BC-403
Paper ID : [B0226]
Time : 3 Hrs.
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying
TWO marks each.
2. SECTION-B contains SIX questions carrying TEN marks each and students has to attempt any FOUR questions.
l. Write briefly :
a) What are the salient features of combinational circuits?
b) Differentiate between timing and control signals.
c) What is the need of performance measure in computer hardware design?
d) How is register different from memory?
e) Who controls the buses in DMA data transfer and how?
f) List some properties of RISC organization.
g) Differentiate between CPU and I/O processors.
h) What do you understand by symbolic micro instructions?
i) What is the role of I/O ports?
j) What is need of cache memory?
(a) Discuss the importance of registers and instructions in computers with examples. 05
(b) What are the advantages and disadvantages of auxiliary memory? Also explain its
3. What do you understand by accumulator based CPU? Also explain the design of
4. Explain and show diagrammatically how address sequencing is done in micro
5. Discuss the general register organization. Also compare it with stack organization. 10
6. What do you understand by cache memory? Explain the direct mapping concept used in cache
memory with examples. 10
7. Show how data transfer from disk to memory is conducted under each of the following . schemes: programmed I/O, and interrupt-driven I/O? Also show the steps taken in each case.
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