How many universal gates exist?
Variables used to represent propositions are called----------
Data
Statement Variables
Value
None of these
A statement formula which is always True
Tautology
Contradiction
Equivalence
Choose the Universal gate
NOR
OR
NOT
AND
Which gate has output low when inputs are same?
EX-NOR
EX-OR
Which gate has output low when one input is low?
Which gate has output low when inputs are different?
