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Discrete Mathematics MCQs | Page - 28

Dear candidates you will find MCQ questions of Discrete Mathematics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 271) The set of all finite words over E is denoted by ________.

(A) E+
(B) E*
(C) E
(D) E
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Q. 272) Surjective function is also called ________.

(A) onto
(B) into
(C) one to one
(D) one one onto
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Q. 273) One to one onto function is also called __________.

(A) bijective
(B) injective
(C) surjective
(D) composite function
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Q. 274) The composition of function is associative but not _______.

(A) commutative
(B) associative
(C) distributive
(D) idempotent
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Q. 275) A mapping x into itself is called __________.

(A) reflexive
(B) symmetric
(C) transitive
(D) equivalence
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Q. 276) The duality law of (P^Q)vT is ________.

(A) (P^Q)^T
(B) (PvQ)^T
(C) (PvQ)vF
(D) (PvQ)^F
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Q. 277) A sum of the variables and their negations in a formula is called _________.

(A) elementary sum
(B) elementary product
(C) cnf
(D) dnf
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Q. 278) A premise may be introduced at any point in the derivation is called ________.

(A) Rule P
(B) Rule P and Rule T
(C) Rule T
(D) Rule CP
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Q. 279) A product of the variables and their negations in a formula is called _________.

(A) elementary product
(B) elementary sum
(C) cnf
(D) dnf
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Q. 280) Min-terms of two statements are formed by introducing the connective _________.

(A) Conjunction
(B) disjunction
(C) Conditional
(D) negation
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