DISTANCE EDUCATION
B.Sc. (Computer Science) DEGREE EXAMINATION,
MAY 2017.
DIGITAL COMPUTER FUNDAMENTALS
(2007 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
20 100)
1. Explain the different types of number systems.
Convert the following

.
2. What are the uses of complements?
Perform the following
110111 100110 .
100101 111010.
3. Explain the fundamental concepts of Boolean
algebra.
Differentiate between sum of product and product of
sum.
4. Explain Encoder with neat diagram.
What is Demultiplexer? Explain.
Sub. Code
13
DE-208
2
wk10
5. Explain the construction of ALU unit with diagram.

With neat diagram, explain the working principle of
full adder.
6. Explain Half adder with necessary diagrams.
Explain parallel binary adder with an example.
7. Differentiate between sequential circuits and
flip-flops.
Explain the working of master-slave flip-flops.
8. Explain main memory in detail.
What are the various generation of computers?
Explain them.