Computer Science Class 9 Chapter 6 MCQs With 3 Tests

9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 1:

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Computer Science Chapter 6 – Boolean Algebra Test 1

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Boolean algebra was formulated by English Mathematician George Boole in?

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

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

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

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

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Boolean Algebra is the __ of logic?

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

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

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

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

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

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Boolean Algebra was formulated by the ?

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

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According to Existence of identity element A . 1 ?

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As per Existence of inverse A + A Z ?

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Computer chips are made up of ?

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According to inverse the output will be 0 if ?

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

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AND operator represent ?

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

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9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 2:

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Computer Science Chapter 6 – Boolean Algebra Test 2

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Which is called an unary operator?

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All electronic devices consist of circuits of?

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

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Which operator is used for logical multiplication?

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

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Logical addition refers to operation of ?

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A serial circuit is represented by ?

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Boolean Algebra derives its name form the British mathematician?

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

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An OR gate has at least inputs ?

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An AND gate has at least inputs ?

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A parallel circuit is represented by ?

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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?

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

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9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 3:

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Computer Science Chapter 6 – Boolean Algebra Test 3

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Which of the following is a proposition?

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

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

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

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Boolean Algebra deals with ?

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Truth table show all possible combinations of ?

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Boolean operators and Boolean variables combine to form Boolean ?

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

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Which is Boolean constant ?

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 X, Y are called ?

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

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

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 f ( x, y ) = x + y is a ?

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Standard product is known as?

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Standard sum is known as?

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