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Combinational Logic Analysis problems

  • 1. An exclusive-OR gate's output is HIGH when its inputs are equal.

  • 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. A NOR gate is a universal gate.

  • Options
  • A. True
  • B. False
    • Discuss
  • 4. A VHDL component is a predefined logic function.

  • Options
  • A. True
  • B. False
    • Discuss
  • 5. 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
  • 6. The expression Digital Electronics Combinational Logic Analysis: The expression can be 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
  • 7. 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
  • 8. 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
  • 9. The symbol shown represents ________.

    Digital Electronics Combinational Logic Analysis: The symbol shown represents ________.


  • Options
  • A. AND-OR logic
  • B. AOI logic
  • C. XOR gate
  • D. XNOR gate
    • Discuss
  • 10. The symbol shown represents a(n) ________.

    Digital Electronics Combinational Logic Analysis: The symbol shown represents a(n) ________.


  • Options
  • A. AND gate
  • B. OR gate
  • C. NAND gate
  • D. NOR gate
    • Discuss

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