Demultiplexers (Data Distributors) MCQ

Test your knowledge with important Demultiplexers (Data Distributors) MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Demultiplexers (Data Distributors) MCQs at Bissoy

• In 1-to-4 multiplexer, if C1 = 1 & C2 = 1, then the output will be ____________
  ক

  Y0

  খ

  Y1

  গ

  Y2

  ঘ

  Y3
• In a multiplexer the output depends on its ____________
  ক

  Data inputs

  খ

  Select inputs

  গ

  Select outputs

  ঘ

  Enable pin
• Which IC is used for the implementation of 1-to-16 DEMUX?
  ক

  IC 74154

  খ

  IC 74155

  গ

  IC 74139

  ঘ

  IC 74138
• The output Q4 of this 1-to-8 demultiplexer is ____________
  ক

  Q2.(Q1)’.Q0.I

  খ

  Q2.Q1.(Q0)’.I

  গ

  Q2.(Q1)’.(Q0)’.I

  ঘ

  Q2.(Q1).Q0.I
• How many AND gates are required for a 1-to-8 multiplexer?
  ক

  2

  খ

  6

  গ

  8

  ঘ

  5
• How many select lines are required for a 1-to-8 demultiplexer?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• In 1-to-4 multiplexer, if C1 = 1 & C2 = 1, then the output will be ___________
  ক

  Y0

  খ

  Y1

  গ

  Y2

  ঘ

  Y3
• In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be ___________
  ক

  Y0

  খ

  Y1

  গ

  Y2

  ঘ

  Y3
• In a multiplexer the output depends on its ___________
  ক

  Data inputs

  খ

  Select inputs

  গ

  Select outputs

  ঘ

  Enable pin
• In 1-to-4 demultiplexer, how many select lines are required?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• Most demultiplexers facilitate which type of conversion?
  ক

  Decimal-to-hexadecimal

  খ

  Single input, multiple outputs

  গ

  AC to DC

  ঘ

  Odd parity to even parity
• Why is a demultiplexer called a data distributor?
  ক

  The input will be distributed to one of the outputs

  খ

  One of the inputs will be selected for the output

  গ

  The output will be distributed to one of the inputs

  ঘ

  Single input to Single Output
• The word demultiplex means ___________
  ক

  One into many

  খ

  Many into one

  গ

  Distributor

  ঘ

  One into many as well as Distributor