Question

4. State different postulates in Boolean algebra.
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Answer 1

Explanation:

Boolean Postulates

Consider the binary numbers 0 and 1, Boolean variable x and its complement x′. Either the Boolean variable or complement of it is known as literal. The four possible logical OR operations among these literals and binary numbers are shown below.

Answer 2

Answer:

Postulates

(1)   A + 0 = A   A · 1 = A ------------ identity

(2)   A + NOT[A] = 1   A · NOT[A] = 0 -------------  complement

(3)   A + B = B + A   A · B = B · A  ----------------commutative law

(4)   A + (B + C) = (A + B) + C.  A · (B · C) = (A · B) · C -----  associative law

(5)   A + (B · C) = (A + B) · (A + C)   A · (B + C) = (A · B) + (A · C)   distributive law

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