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Home ‣ Digital Electronics ‣ Describing Logic Circuits Comments
  • Question

  • Simplify the expression Simplify the expression using DeMorgan's theorems. using DeMorgan's theorems.


  • Options
  • A. Simplify the expression using DeMorgan's theorems.
  • B. Simplify the expression using DeMorgan's theorems.
  • C. Simplify the expression using DeMorgan's theorems.
  • D. Simplify the expression using DeMorgan's theorems.

  • Correct Answer
  •  

    • Describing Logic Circuits problems

    Search Results

    • 1. 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
    • 2. Which of the figures given below represents a NOR gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 3. 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
      • Discuss
    • 4. 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
    • 5. 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
    • 6. Which timing diagram shown below is correct for an inverter?


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


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 8. Which logic gate does this truth table describe?


    • Options
    • A. AND
    • B. OR
    • C. NAND
    • D. NOR
      • Discuss
    • 9. Which of the examples below expresses the distributive law?

    • Options
    • A. (A + B) + C = A + (B + C)
    • B. A(B + C) = AB + AC
    • C. A + (B + C) = AB + AC
    • D. A(BC) = (AB) + C
      • Discuss
    • 10. A small circle on the output of a logic gate is used to represent the:

    • Options
    • A. Comparator operation.
    • B. OR operation.
    • C. NOT operation.
    • D. AND operation.
      • Discuss

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