Assignment-I
Short Questions (3 marks each)
Q1. Distinguish between analog and digital signals.
Q2. Discuss universal gates.
Q3. Distinguish between Positional and Non-Positional number system.
Q4. Define 2’s compliment of a number with example.
Long Questions (10 marks each)
Q1. What is logic gate.Discuss various logical gates with their logical circuit and truth table.
Q2. Write the following theorms along with their truth tables
a) Identity law
b) Indempotent law
c) Commutative law
d) Associative law
e) Distributive law
f) Absorption law
g) Double inversion law
h) De-Morgan theorem
i) Consensus theorem
Q3. Design the logical circuits along with their truth tables.
a) F= AB+A’B’
b) F= AB + ABC’
c) F= A’B + BC’
d) F= AB + AC + BC
Q4. Do the following conversions:
a) (64)10 ( )2
( )8
( )16
b) (1101)2 = ( )10
c) (614)8 = ( )10
d) (A2B)16 = ( )10
Q5. Do the following conversions:
a) (110110)2 = ( )10 = ( )8
b) (78)10 = ( )2 = ( )16
c) (11010)2 = ( )8 = ( )16
Q6. What is binary arithmetic. Add the binary numbers 11012 and 1102 .Also perform the
subtraction using 1’s compliment and 2’s compliment.
