DISTANCE EDUCATION
P.G.D.C.A. EXAMINATION, MAY 2016.
First Semester
DIGITAL COMPUTER ORGANIZATION
(2011 Calendar year onwards)
Time Three hours Maximum 100 marks
SECTION A — × 8 40 marks)
Answer any FIVE questions.
1. Convert the following
41 10
0.6875 10 .
2. Write about binary storage and registers.
3. Illustrate and explain the concept of sum of products
expression.
4. Narrate the concept of decoder and draw the truth table
of a 3 to 8 line decoder.
5. Write about full-adder with suitable example.
6. Compare and contrast static RAM with dynamic RAM.
7. Give a brief account on integrated circuit memory.
8. Discuss the concept of magnetic disk memories.
Sub. Code
11
DE-3229
2
ws 15
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Give a detailed description on binary codes.
10. Express the Boolean function F A in a sum
of minterms form.
Express the Boolean function F xy in a
product of mass term form.
11. Discuss on logic gates AND, OR, NAND, XOR with
symbols, truth tables and algebraic function.
12. Draw a logic diagram and function table for quadruple Z
to 1 line multiplexers, implement the function
with a multiplexer.
13. With suitable examples, discuss the procedure of halfsubtractor
and full-subtractor.
14. Write notes on
Clocked RS flip-flop
JK flip-flop.
15. Explain the process of programmed I/O interrupts with
its priorities.