Half Adder & Full Adder MCQ

Test your knowledge with important Half Adder & Full Adder MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Half Adder & Full Adder MCQs at Bissoy

• How many AND, OR and EXOR gates are required for the configuration of full adder?
  ক

  1, 2, 2

  খ

  2, 1, 2

  গ

  3, 1, 2

  ঘ

  4, 0, 1
• If A, B and C are the inputs of a full adder then the carry is given by __________
  ক

  A AND B OR (A OR B) AND C

  খ

  A OR B OR (A AND B) C

  গ

  (A AND B) OR (A AND B)C

  ঘ

  A XOR B XOR (A XOR B) AND C
• If A, B and C are the inputs of a full adder then the sum is given by __________
  ক

  A AND B AND C

  খ

  A OR B AND C

  গ

  A XOR B XOR C

  ঘ

  A OR B OR C
• The difference between half adder and full adder is __________
  ক

  Half adder has two inputs while full adder has four inputs

  খ

  Half adder has one output while full adder has two outputs

  গ

  Half adder has two inputs while full adder has three inputs

  ঘ

  All of the Mentioned
• Half-adders have a major limitation in that they cannot __________
  ক

  Accept a carry bit from a present stage

  খ

  Accept a carry bit from a next stage

  গ

  Accept a carry bit from a previous stage

  ঘ

  Accept a carry bit from the following stages
• If A and B are the inputs of a half adder, the carry is given by __________
  ক

  A AND B

  খ

  A OR B

  গ

  A XOR B

  ঘ

  A EX-NOR B
• If A and B are the inputs of a half adder, the sum is given by __________
  ক

  A AND B

  খ

  A OR B

  গ

  A XOR B

  ঘ

  A EX-NOR B
• In which operation carry is obtained?
  ক

  Subtraction

  খ

  Addition

  গ

  Multiplication

  ঘ

  Both addition and subtraction
• Total number of inputs in a half adder is __________
  ক

  2

  খ

  3

  গ

  4

  ঘ

  1
• In parts of the processor, adders are used to calculate ____________
  ক

  Addresses

  খ

  Table indices

  গ

  Increment and decrement operators

  ঘ

  All of the Mentioned