Class 9 Computer MCQ with Answers Chapter 6

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K-map is used to:
evaluate a boolean expression
simplify a boolean expression
both (a) and (b)
none of these

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

A Boolean function with four variables will have
8 maxterms
16 maxterms
24 maxterms
32 maxterms

A̅C +   A̅B  + ABC + BC=
C +xa0A̅B
C +xa0AB̅
C +xa0A̅B̅
C̅ +AB

K-Map is used to
Evaluate a Boolean expression
Simplify a boolean expression
Both a and b
None of these

a+b=b+a status:
Commutative law
Associative law
Distributive law
None of these

Boolean algebra was formulated by:
(‘radio-button-click-target’, “Charles Babbage’s”)
Blaise Pascal
George Boole

Which of the following gate performs logical addition?
None of these

In Boolean algebra, the set of constant values consist of:
two elements
three elements
four elements
six elements

If B = [0,1] with operations (.) and (+) is a Boolean algebra, then the variable 0 and 1 are called;
Boolean functions
Boolean xa0variable
Boolean constants
Boolean expression

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