# Electrical Engineering Question

Minimize the following Boolean expression using both K-Map and Boolean laws and show
that the minimized expression using K-Map and Boolean laws are the same.
( , , , ) = ∑ (0,2,3,4,6,8,10,11,12,14)
2. a) Realize the following Boolean expression using only NAND gates. = ( ̅ )
b) Realize the following Boolean expression using only NOR gates
̅̅̅ = ( ). ( ). ( )
)
3. a) Design a Full adder circuit using two half adders and show that SUM = 1 and Carry out =1 if A =B=C =1 by substituting the values in the SUM and Carry equations. (3 marks)
(refer chapter -3)
b) Write any three differences between monostable, bistable, and astable multivibrators. (1 mark) (refer chapter -4)
4. Refer to chapter -5 (3 marks)
a) What are the different classifications of digital IC’s? (0.5 mark)
b) Show the simplified schematic of (1.5 marks)
i. 2 input AND gate using Diode logic (DL)
ii. 2 input NOR gate using RTL
iii. 2 input NAND gate using DTL
c) What is the difference between sampling and quantization?

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