Asynchronous Preset and Clear MCQ

Test your knowledge with important Asynchronous Preset and Clear MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Asynchronous Preset and Clear MCQs at Bissoy

• Which of the following input on a flip-flop has control over the outputs?
  ক

  Data input

  খ

  Clock

  গ

  Enable

  ঘ

  Preset
• What happens if both the inputs PRE and CLR are activated?
  ক

  Flip-flop is reset

  খ

  Flip-flop is set

  গ

  Invalid State

  ঘ

  No output
• What is the state of CLEAR input?
  ক

  Reset

  খ

  Set

  গ

  Invalid

  ঘ

  Don’t care
• What is the state of PRESET input?
  ক

  Reset

  খ

  Set

  গ

  Invalid

  ঘ

  Don’t care
• The output of the flip-flop _______ when both the input, preset and clear are active low at the same time.
  ক

  Is set to 1

  খ

  Is set to 0

  গ

  Becomes X (Don’t care)

  ঘ

  Is controlled by clock
• Asynchronous inputs are also called override inputs.
  ক

  True

  খ

  False
• Clear (CLR) or preset (PRE) with a bar above them shows that they have ________
  ক

  Active high input

  খ

  Active low input

  গ

  Clocked input

  ঘ

  No input
• What type of inputs is preset and clear?
  ক

  Data input

  খ

  Output

  গ

  Clock input

  ঘ

  Control input