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1)(a) Transform:

(i) (0.6875)10 to binary

(ii) (673.124)8 to binary

(b) Perform the subtraction with the following binary numbers using 1’s and 2’s complement.

(i) 10010 – 10011

2) Describe all the logic gates with Truth tables?

3) Simplify the following Boolean function using K – Map method?

F(A,B,C,D,E) = Σ(0,2,4,6,9,11,13,15,17,21,25,27,29,31)

4) Simplify the following Boolean function using Tabulation method? F = Σ(0,1,2,8,10,11,14,15)

5) Realize a full Subtractor with two half-Subtractors and an OR gate?

6) What is meant by an Encoder? Draw a 3-to-8 line Decoder?

7) What is meant by a flip-flop? Describe the kinds of flip-flop?

8) describe 4-bit bi-directional shift register with parallel load?

9) Describe BCD Ripple counter with suitable logic diagram?

10) Describe Binary Counter with Parallel load.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913353

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