If there are n number of variables in an expression, then the truth table comprises _____ no. of rows.
2n
n2
None of these
According to Commutative law , which of the following statement is correct
A+B = B+A
A.B = B.A
Both (1) & (2)
The dual of an expression can be obtained by following these rules
Interchanging OR and AND operators.
Interchanging ‘+’ and ‘.’ Signs.
Replacing 0s by 1s and 1s by 0s.
All of the above
In 1854, Boolean algebra was originally developed by
George Boole
Konard Zuse
Claude Shannon
John Von Neumann
Which one of the following is best correct for Involution law, which states that for every logical variable A there exists A’ such that
((A’)’) = A
((A’)’) = 1
((A’)’) = 0
Which one of the following is best correct for Idempotent law, which states that for every logical variable A there exists A such that
A + A = A
A.A = A
In which law, the logical addition and logical multiplication of two variables is absorptive in nature.
Absorption
De Morgan
Inverse
The term in a Boolean expression, which is a logical multiplication of two or more Boolean variables (either in normal or completed form ) is called
Product term
Sum term
Minterm
Maxterm
The system of Boolean algebra is said to be closed with respect to any binary operator if for every two Boolean values it produces a Boolean result. This property is known as
Closure Property
Commutative
Associative
In which law, the logical addition and logical multiplication of three variables is distributive in nature.
Distributive
