DISTANCE EDUCATION
M.Sc. 5 YEARS INTEGRATED DEGREE
EXAMINATION, MAY 2018.
DIGITAL COMPUTER FUNDAMENTALS
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Convert the following decimal numbers to the bases
indicated
175 to octal
2479 to hexadecimal
255 to binary
13.75 to binary.
2. Using and complement subtract the following
0.1110 0.1001
110 0.111.
3. State and prove DeMorgan's theorem.
4. Write short notes on
Sum of product terms
Product of Sum terms.
5. Explain the Half-adder circuit with neat sketch.
6. Explain T flip-flop with truth table.
Sub. Code
13
DE-4144
2
wk4
7. What is counter? Classify and explain its various types.
8. Discuss about Generation of computers.
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Explain Gray, Excess-3 and error detection codes with
examples.
11. Explain multiplexer and demultiplexer with neat sketch.
12. Describe the construction of ALU with neat diagram.
13. With neat diagram explain JK master slave flip flop.
14. Discuss on
Shift Register
BCD counter.
15. Explain the following
Computer Memory
Processor.
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