LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.C.A. DEGREE EXAMINATION – COMPUTER APPLICATIONS
FIRST SEMESTER – APRIL 2008
DC 17
CA 1802 - COMPUTER ORGANIZATION AND ARCHITECTURE
Date : 30-04-08
Time : 1:00 - 4:00
Dept. No.
Max. : 100 Marks
PART-A
Answer ALL the questions:
10 X 2 = 20
1. State and prove (using table) DeMorgan’s theorem.
2. Define Decoder and Multiplexer.
3. What is a latch ?
4. Give the excitation table for D and T flip flop.
5. What are the different categories of computer instruction?
6. What are the different program control instructions?
7. What is pipelining? What are the four segments of instruction pipeline?
8. Define handshaking.
9. What is static RAM and dynamic RAM ?
10. What is tightly coupled and loosely coupled multi processor?
PART-B
Answer ALL the questions:
5 X 8 = 40
11.a. Explain how a Full adder can be implemented using half adders.
(OR)
b. Explain BCD to seven segment decoder.
12.a. Explain the working of shift right register.
(OR)
b. Explain how micro operations are useful in manipulating individual bits.
13.a. Explain the hard wired control unit of basic computer with neat diagram.
(OR)
b. Explain the addition and subtraction with signed magnitude data using a flow
chart.
14.a. Explain the four segment arithmetic pipeline..
(OR)
b Explain the DMA controller with neat diagram.
15.a. Explain any two auxillary storage devices.
(OR)
b. Explain any two interconnection network.
PART-C
2 X 20 = 40
Q.16 IS COMPULSORY.ANSWER ANY ONE FROM THE REMAINING
16.a. Simplify using Tabulation method ∑ (0,1,2,3,4,6,8,10,11)
b. Explain the operation of maser slave JK flipflop in detail.
17.a. Explain the various addressing modes with example.
b. Explain the different methods of handshaking in asynchronous data transfer.
18.a.Explain any two mapping procedure in cache memory.
b. What is an array processor? Explain the types of array processor.
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