DISTANCE EDUCATION
M.Sc. Years Integrated) DEGREE EXAMINATION,
MAY 2017.
DIGITAL COMPUTER FUNDAMENTALS
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE questions.
1. Solve the following as directed
Binary to octal and hexadecimal
1111111000.0110
11101.1111
010101.0001
Octal to binary and hexadecimal
777.05
601.03
111.76
Hexadecimal to binary
CAD.F
A9.13
ABC.
2. Simplify the following expressions
xy xz yz xy xz
xy xy xy xy
x yz
x .
Sub. Code
13
DE-730
2
sp3
3. Explain Demultiplexer with block diagrams and gates.
4. Discuss sequential circuits in elementary qualitative
treatment.
5. Describe Register and its types.
6. How is clock used and where it is used? Explain.
7. Explain computer basics and its generations.
8. Write short notes on input-output units.
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Describe complements and uses with an example.
10. Explain the terms
Sum of products
Product of sums.
11. Give a brief note on Mckluskey method with an example.
12. Discuss Half Adder, Full Adder and Parallel Binary
Adder.
13. How to add and subtract parallel arithmetic elements?
Explain.
14. Describe gated flip flops and master slave flip flops.
15. Describe generations and classifications of computers in
detail.