In this page we have given CBSE Board Class 12 Computer Science with Python Book Chapter Boolean Algebra MCQ Question and Answer. All the questions below are important for our CBSE Champs.
- Board – CBSE.
- Class – 12
- Subject- Computer Science with Python.
- Topic- MCQ.
- Number of MCQ- 20.
1.) Boolean Algebra was introduced by …………………………. in 1854.
a.) George Boole
b.) MukeshSonawane
c.) George Smith
d.) George Adam
Ans:-a.)George Boole
2.)He was an English Mathematician who had primarily worked on differential equations and the calculus of variations.
a.)Stephen Hawking
b.) George Boole
c.)SantBel – O-she
d.) Eugene Harry
Ans:-b.) George Boole
3.)In George Boole’s logical deductions he replaced the operation of multiplication by …………… and addition by ……………………
a.)OR , NOT
b.) IN, OUT
c.) AND, OR
d.) AND , NOT
Ans:-c.) AND, OR
4.) In the late 1930, ………………………… work on using Boolean Algebra to design Switching Circuits became the foundation of computer Logic and Design.
a.) George Boole,
b.) Steve Jobs
c.) Stephen Hawking
d.) Claude Shannon
Ans:-d.) Claude Shannon
5.) It allows things to be mapped into bits and bytes, and it has application in telephone switching circuits, electronics, computers (both hardware and software) etc.
a.)BooleanGeogebra b.) Boolean Geometry
c.) Boolean Logic
d.) None of these
Ans:-c.) Boolean Logic
6.) It is an algebra of two values may be True, False or Yes, No or 0,1 which is an important tool in analyzing, designing and implementing digital circuits.
a.)Boolean Geogebra b.) Boolean Geometry
c.) Boolean Logic
d.) Boolean Algebra
Ans:-d.) Boolean Algebra
7.) These are the variables or constants with value 1 or 0
a.) Elements
b.) Operators
c.) Strings
d.) All of these
Ans:-a.) Elements
8.) The symbol is used to represent a logical quantity.
a.)Boolean Variable b.) Boolean Geometry
c.) Boolean Logic
d.) Boolean Algebra
Ans:-a.)Boolean Variable
9.) …………………………. will take value from the domain {0,1}, and Boolean constant is single digit binary value (bit) viz 0 or 1.
a.) Boolean Logic
b.) Boolean Algebra
c.) Boolean Variable
d.) None of these
Ans:-c.) Boolean Variable
10.) ………………………………. operator is applied on two operands.
a.) binary
b.) arithmetic and logic
c.) relational
d.) unary
Ans:-a.) binary
11.) The …………………… is a statement which is considered to be true, and ……………………. are to be proved.
a.) Axiom , theorem
b.) AND, OR
c.) Variable, Theories
d.) None of these
Ans:-a.) Axiom , theorem
12.) It is a closure property, which states that Boolean operations (+ or.) on Boolean variables or constants will always result into a Boolean value
a.) Variable
b.) Axiom
c.) Theory
d.) Binary
Ans:-b.) Axiom
13.) It states that sum of anything and zero, or product of anything and one, is same as original anything.
a.) Identity
b.) Commutative
c.) Distributive
d.) Complement
Ans:-a.) Identity
14.) The property tells us, we can reverse the order of variables, that are either ORed together or ANDed together without changing the truth of expression.
a.) Identity
b.) Commutative
c.) Distributive
d.) Complement
Ans:-b.) Commutative
15.) It is the law that states, that ORing variable and then ANDing the result with single variable is equivalent to ANDing the result with a single variable with each of the several variables and then ORing the products.
a.) Identity
b.) Commutative
c.) Distributive
d.) Complement
Ans:-c.) Distributive
16.) The law which states that the sum of a Boolean quantity with its complement or product of a Boolean quantity with its complement results into identity.
a.) Identity
b.) Commutative
c.) Distributive
d.) Complement
Ans:-d.) Complement
17.) It states that when we sum or product a Boolean quantity to itself, the resultant is original quantity.
a.) Identity
b.) Commutative
c.) Distributive
d.) Indempotency
Ans:-d.) Indempotency
18.) It does not matter with the value of a Boolean variable, the sum of variable and 1 will always be1.
a.) Commutative
b.) Indempotency
c.) Null Element
d.) Distributive
Ans:-c.) Null Element
19.) It states that complementing a variable twice, or any even number of ties, results in the original Boolean value.
a.) Involution
b.) Identity
c.) Distributative
d.) None of these
Ans:-a.) Involution
20.) The property which tells us that we can associate, group of sum or product variable together with parenthesis without altering the truth of experience.
a.) Involution
b.) Associative
c.) Indempotency
d.) Null Element
Ans:-b.) Associative