Digital Logic questions.

1. NOR gate requires function to be simplified in

(a) sum of product

(b) product of sum

(c) subtraction of product

(d) division of sum

2. Small circle in a NAND circuit represents

(a) input

(b) bits

(c) output

(d) complement

3. Complement of F' gives back

(a) F'

(b) F

(c) FF

(d) undefined variable

4. Gates most found in integrated circuits are

(a) NAND AND

(b) NAND, NOR

(c) NOR, OR

(d) OR,AND

5. NAND gate is implementation of

(a) NOT gates

(b) OR gates

(c) AND gates

(d) XOR gates