In this page we have given CBSE Board Class 12 Computer Science with Python Book Chapter Application of Boolean Logic 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) It is an algebraic expressions formed with Boolean variables, operator OR, AND and NOT, parenthesis and equal to sign.
a) Boolean Function
b) String function
c) Algebraic function
d) None of these
Ans – a) Boolean Function
2) …………………………. diagram can be composed of basic gates AND, OR, and NOT ot advance gates NAND and NOR etc.
a) Logic circuit
b) K-map
c) De Morgan’s Theorem
d) Null Element
Ans – a) Logic circuit
3) Logic circuits that performs logical operations such as AND, OR and NOT are called …………….
a) Blocks b) Gates c) Paths d) None of these
Ans – b) Gates
4) It is a block of hardware that produces a logic 0 or a logic 1 output in response to the binary signal(s) applied to it as input.
a) Gate b) Path c) Block d) None of these
Ans – a) Gate
5) All the gates, except NOT have two inputs represented on ……………………. and output – on the …………………….
a) YES – NO
b) TRUE-FALSE
c) LHS-RHS
d) 1 , 0
Ans – c) LHS-RHS
6) Whatever is the complexity of function, they all can be constructed using ………………. basic gates.
a) two
b) one
c) three
d) four
Ans – c) three
7) In SOP form AND gates are connected to OR gate and in POS form OR gates are connected to AND gates. Thus such implementation is known as ……………………………………….
a) connected implementation
b) combined implementation
c) joined implementation
d) two-level implementation
Ans – d) two-level implementation
8) …………………….. are the type of gates which can replace the function of all other gates, and are used to implement any digital circuit.
a) two-level implementation
b) universal gates
c) joined blocks
d) None of these
Ans – b) universal gates
9) ……………….. and ………………… are the examples of universal gates.
a) NAND and NOR b) AND or OR c) BUT and IF d) BUT and NOT
Ans – a) NAND and NOR
10) ………………….. expression which uses OR gates at first level and AND gate at second level can naturally be implemented through NOR gates only.
a) SOP b) POS c) SPO d) PSO
Ans – b) POS
11) …………………… theorem’s to implement the above circuit with minimum number of NAND gates, because if each gate is replaced by universal gate using above solution we will end up using a large number of gate and increase the size of circuit.
a) De Morgan b) Isaac Newton c) Henry Fayol d) None of these
Ans – a) De Morgan
12) It acts as effective filters for finding just the information one need from internet.
a) De Morgan’s Theorem
b) K-map
c) Boolean operators
d) Boolean function
Ans – c) Boolean operators
13) It is the default setting in many search engine.
a) BUT
b) SOP
c) IF
d) OR
Ans – d) OR
14) ………………….. operator which will ensure that you don’t miss anything valuable and is used for broaden search.
a) OR b) NOT c) AND d) BUT
Ans – a) OR
15) In …………………….. operator when the search string i.e keywords are joined using AND, the resultant will include the documents containing all the keywords.
a) OR b) NOT c) AND d) BUT
Ans – a) OR
16) ………………………. operator will again narrow down the search, this time by excluding the search string i.e keyword
a) OR b) NOT c) AND d) BUT
Ans – a) OR
17) …………………………… is an electronic system that performs a logical operation on a set of input signal(s).
a) Gate b) K-map c) operator d) None of these
Ans – a) Gate
18) ……………………. expression when implemented as circuit -takes output of one or more AND gates and OR’s them together to create the final output.
a) IF b) SOP c) POS d) IF-ELSE
Ans – b) SOP
19) ……………………… expression when implemented as circuit -takes the output of more or more OR gates and AND’s them together create the final output.
a) IF b) SOP c) POS d) IF-ELSE
Ans – c) POS
20) POS using NOR gate can be implemented by replacing ……………………… by …………….. gate.
a) NAND, NOR b) AND, OR c) CAN, CAN’T d) IF, IF-ELSE
Ans – a) NAND, NOR