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Digital Logic and Design MCQs with Answers

Practice important Digital Logic and Design MCQs with answers and explanations.

Multiple Choice Questions

Q271: What is the result of the Boolean operation A.B + A.B.C?
  • A: A.B
  • B: A.B + A.C
  • C: A.B + C
  • D: A.B.C
View Answer
A

Q272: According to the Commutative Law, what is the result of A + B?
  • A: A + B
  • B: B + A
  • C: A.B
  • D: A.B.C
View Answer
B

Q273: What does the Associative Law state for Boolean Addition?
  • A: A + (B + C) = (A + B) + C
  • B: A + (B.C) = (A + B)C
  • C: A.B + B.C = (A + B).C
  • D: A.B + C = A + B.C
View Answer
A

Q274: What is the result of applying the Distributive Law A.(B + C)?
  • A: A.B + A.C
  • B: A + B.C
  • C: A.B + C
  • D: A.B.C
View Answer
A

Q275: (A + B)(A + B + C)(A + C) is an example of ______________
  • A: Product of sum form
  • B: Sum of product form
  • C: Demorgans law
  • D: Associative law
View Answer
A

Q276: What does the rule A + A = A in Boolean Algebra signify?
  • A: Idempotent Law
  • B: Complement Law
  • C: Distributive Law
  • D: Associative Law
View Answer
A

Q277: What is the complement of the Boolean expression A.B?
  • A: A + B
  • B: A.B
  • C: A + B
  • D: A.B
View Answer
A

Q278: What is the result of the Boolean operation (A + B) (A + C)?
  • A: A + B.C
  • B: A.B + A.C
  • C: A + B.C
  • D: A + B.C + A.C
View Answer
A

Q279: Which law states that A.(B.C) = (A.B).C?
  • A: Commutative Law
  • B: Associative Law
  • C: Distributive Law
  • D: DeMorgan’s Theorem
View Answer
B

Q280: What is the result of A + A.B in Boolean Algebra?
  • A: A + B
  • B: A.B
  • C: A
  • D: A.B + A.C
View Answer
A

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