DISTANCE EDUCATION
M.Sc. Years Integrated) DEGREE EXAMINATION,
MAY 2016.
DIGITAL COMPUTER FUNDAMENTALS
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE of the following questions.
1. Perform complement substraction of 14910 2110 .
2. What is the use of complements? With an example
explain and complement.
3. With a block diagram explain Multiplexer and bring out
its truth table.
4. Give the circuit diagram and Truth Table for Full adder.
5. Give the circuit diagram for one-stage logic circuit.
6. Explain the Basic flip-flop circuit using NAND gate.
7. With an example explain sequential circuit.
8. List any three input devices with their advantages and
disadvantages.
SECTION B — 15 60 marks)
Answer any FOUR of the following questions.
9. Convert Hexadecimal to Octal 16 .
Convert Octal to Hexadecimal (714.06)8.
Sub. Code
13
DE-3908
2
SER
10. Simplify the following expression into sum of products
using Karnaugh map
10)
11. Explain the Quine McKluskey method for minimization
of Boolean function.
12. Explain binary adder with the circuit diagram.
13. With the neat sketch explain four bit shift register.
14. Describe BCD counter with a neat sketch.
15. What is ROM? Explain different types of ROM.