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Home ‣ Digital Electronics ‣ Combinational Logic Analysis Comments
  • Question

  • The expression The expression can be directly implemented using only ________. an XOR gate an XNOR gate an AOI circ can be directly implemented using only ________.


  • Options
  • A. an XOR gate
  • B. an XNOR gate
  • C. an AOI circuit
  • D. three 2-input NAND gates

  • Correct Answer
  • an AOI circuit 

    • Combinational Logic Analysis problems

    Search Results

    • 1. A node is defined as ________.

    • Options
    • A. a common point in a circuit
    • B. a circuit implemented as a sum-of-products
    • C. the output signals from a circuit
    • D. a shorted input
      • Discuss
    • 2. Assume you have A, B, C, and D available but not their complements. The minimum number of 2-input NAND gates required to implement the equation is ________.

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
      • Discuss
    • 3. Using the universal property of a NAND gate, one or more NAND gates can be used to replace an ________.

    • Options
    • A. OR gate
    • B. AND gate
    • C. inverter
    • D. any of the above
      • Discuss
    • 4. The symbol shown represents a(n) ________.


    • Options
    • A. AND gate
    • B. OR gate
    • C. NAND gate
    • D. NOR gate
      • Discuss
    • 5. The symbol shown represents ________.


    • Options
    • A. AND-OR logic
    • B. AOI logic
    • C. XOR gate
    • D. XNOR gate
      • Discuss
    • 6. The frequency of the clock waveform is defined as the reciprocal of the clock period.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A plot of voltage versus time is called a timing diagram.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Most modern digital systems are based on semiconductor technology.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Precise timing is not important in digital signals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Serial communications cannot be sped up.

    • Options
    • A. True
    • B. False
      • Discuss

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