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  • Question

  • For a three-input OR gate, with the input waveforms as shown below, which output waveform is correct?

    For a three-input OR gate, with the input waveforms as shown below, which output waveform is correct


  • Options
  • A. a
  • B. b
  • C. c
  • D. d

  • Correct Answer
  • b 

    • Describing Logic Circuits problems

    Search Results

    • 1. For a three-input AND gate, with the input waveforms as shown below, which output waveform is correct?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 2. The logic gate that will have HIGH or "1" at its output when any one of its inputs is HIGH is a(n):

    • Options
    • A. NOR gate
    • B. OR gate
    • C. AND gate
    • D. NOT operation
      • Discuss
    • 3. Which of the figures (a to d) is the DeMorgan equivalent of Figure (e)?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 4. Which of the symbols shown below represents an AND gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 5. Which of the following is a form of DeMorgan's theorem?

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. Which of the figures given below represents a NOR gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 7. For a 3-input NAND gate, with the input waveforms as shown below, which output waveform is correct?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 8. Simplify the expression using DeMorgan's theorems.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. Which timing diagram shown below is correct for an inverter?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 10. Which of the figures given below represents a NAND gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss

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