Conjunctive & disjunctive normal form - Digital logic

Question 1 UGC NET June-2020
What kind of clauses are available in conjunctive normal form?

A – Disjunction of literals

B – Disjunction of variables

C – Conjunction of literals

D – Conjunction of variables

Show Answer With Best Explanation

Answer – A
Explanation:
In Boolean logic, a formula is in conjunctive normal form (CNF) or clausal normal form if it is a conjunction of one or more clauses, where a clause is a disjunction of literals; otherwise put, it is a product of sums or an AND of ORs.
Example :
->B ^ C
->(A ˅ B ˅ ¬C)^(¬A ˅ B ˅ ¬C)