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Home ‣ Digital Electronics ‣ Combinational Logic Analysis Comments
  • Question

  • A VHDL component is a predefined logic function.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Combinational Logic Analysis problems

    Search Results

    • 1. A NOR gate is a universal gate.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The output of an AND gate is HIGH when any input is HIGH.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An exclusive-OR gate's output is HIGH when its inputs are equal.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The output of a NAND gate is LOW when all inputs are HIGH at the same time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A NOR gate's truth table is the opposite of that of an OR gate.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A gate can drive a number of load gate inputs up to its specified ________.

    • Options
    • A. supply voltage
    • B. noise margin
    • C. fan-in
    • D. fan-out
      • Discuss
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. The symbol shown represents ________.


    • Options
    • A. AND-OR logic
    • B. AOI logic
    • C. XOR gate
    • D. XNOR gate
      • Discuss

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