Computer Science Class 9 Chapter 6 MCQs With 3 Tests

Boolean algebra was formulated by English Mathematician George Boole in?

If Z is a Boolean variable then its value can be?

Which of the following are basic logical operators in Boolean algebra?

The operator that gives complement of the given value is called?

If A = 1 and B = 0 then A And B = ?

Boolean Algebra is the __ of logic?

..... uses symbols to represent logical statements instead of words?

If A = 1,B = 0 then A and B = ?

If A =1, B=1, C=O then A+B+C = ?

If A = 1 ,B =0, C = 1 then X = A + B + C ?

A + B = B + A and A . B = B. A represents which of the following?

Boolean Algebra was formulated by the ?

According to distributive law A . (B + C ) = ?

According to Existence of identity element A . 1 ?

As per Existence of inverse A + A Z ?

Computer chips are made up of ?

According to inverse the output will be 0 if ?

Boolean Algebra consists of In Boolean Algebra each variable at one time can take how many values?

AND operator represent ?

In Boolean algebra each variable at a time can take how many values?

Which is called an unary operator?

All electronic devices consist of circuits of?

A switch at any given time is in one of the states?

Which operator is used for logical multiplication?

Which of the following operations are used by the Boolean Algebra?

Logical addition refers to operation of ?

A serial circuit is represented by ?

Boolean Algebra derives its name form the British mathematician?

 A Boolean variable can only have one of the two values?

An OR gate has at least inputs ?

An AND gate has at least inputs ?

A parallel circuit is represented by ?

Two valued Boolean Algebra is a set that has elements and operations

In order to get high output in AND gate all the input must be?

The output of the NOT gate is always the ......of the original value?

Which of the following is a proposition?

In the representation of Boolean function, the A bar is assigned the value?

The table that represents the output of a Boolean expression for all possible combination of input is called?

Which of the following logical operator is denoted by + sign ?

Boolean Algebra deals with ?

Truth table show all possible combinations of ?

Boolean operators and Boolean variables combine to form Boolean ?

Who did overcome the disadvantages of Boolean algebra laws for simplification of expression?

Which is Boolean constant ?

 X, Y are called ?

we can use it to change the order of evaluation of operations in a Boolean expression?

A truth table of a two variable expression will always have?

 f ( x, y ) = x + y is a ?

Standard product is known as?

Standard sum is known as?