I Internal Test - Digital Electronics - 7BPH6C2

PART - A 5 x 2 = 10
1.Problem
2.Problem
3.Problem
4.State the distributive law of Boolean algebra
5.Simplify the Boolean expression (A+A+B).(B+BC)

PART - B 2 x 5 = 10
6. Draw the symbols of  AND and OR gates and give their truth tables.
7.State and Prove De' Morgan's theorems.

PART - C 2 x 10 = 20
8.Explain how NOR gate can be used as a universal building blocks.
9.With suitable diagrams explain the construction and working of half adder and full adder.