# Samacheer Kalvi Class 11 Computer Science Boolean Algebra Questions - 1

Question: 1

Which is a basic electronic circuit which operates on one or more signals?

(A) Derived gates

(B) Gate

(C) Fundamental gates

(D) Boolean algebra

Ans: B

Gate

Question: 2

NAND is called as _____ Gate

(A) Derived Gate

(B) Fundamental Gate

(C) Logical Gate

(D) Electronic gate

Ans: A

Derived Gate

Question: 3

A represents all the possible values of logical variables or statements along with all the possible results of a given combination of truth values.

(A) Log table

(B) I/O Table

(C) Truth table

(D) None of these

Ans: C

Truth table

Question: 4

The ______operator inverts the input.

(A) NOT

(B) OR

(C) AND

(D) All the above

Ans: A

NOT

Question: 5

A + A = ?

(A) O

(B) 1

(C) A

(D) B

Ans: C

A

Question: 6

_______ is used for designing digital circuits in a digital computer.

(A) Calculus

(B) Iteration

(C) Boolean algebra

(D) None of these

Ans: C

Boolean algebra

Question: 7

The truth value depicted by logical constant 0 means _______

(A) True

(B) False

(C) Either True or False

(D) None of these

Ans: B

False

Question: 8

The basic logical operation is _______

(A) AND

(B) OR

(C) NOT

(D) All the above

Ans: D

All the above

Question: 9

The sentences which can be determined to be True or False are called

(A) Truth Functions

(B) Logical Statement

(C) Either A or B

(D) None of these

Ans: B

Logical Statement

Question: 10

Which gate is called as the logical inverter?

(A) NOT

(B) XNOR

(C) OR

(D) AND

Ans: A

NOT