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Home Digital Electronics Combinational Logic Analysis Comments

  • Question
  • 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

  • Correct Answer
  • any of the above 


  • Combinational Logic Analysis problems


    Search Results


    • 1. The symbol shown represents a(n) ________.


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


    • Options
    • A. AND-OR logic
    • B. AOI logic
    • C. XOR gate
    • D. XNOR gate
    • Discuss
    • 3. If both inputs of a 2-input NOR gate are connected, the gate will function as an ________.

    • Options
    • A. OR gate
    • B. AND gate
    • C. inverter
    • D. any of the above
    • Discuss
    • 4. Assume that you have a 3-input NAND gate but need only a 2-input gate. The unused input should be ________.

    • Options
    • A. connected to ground
    • B. left open
    • C. connected to a HIGH
    • D. any of the above
    • Discuss
    • 5. The expression 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
    • Discuss
    • 6. 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
    • 7. 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
    • 8. The expression 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
    • Discuss
    • 9. The frequency of the clock waveform is defined as the reciprocal of the clock period.

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

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


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