Electronics-Logic Gates Question and Answer

Electronics-Logic Gates Question and Answer
1. The output will be a LOW for any case when one or more inputs are zero in a(n):
  • OR gate
  • NOT gate
  • AND gate
  • NAND gate
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2. If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):
  • AND
  • NAND
  • NOR
  • OR
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3. A single transistor can be used to build which of the following digital logic gates?
  • AND gates
  • OR gates
  • NOT gates
  • NAND gates
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4. The logic gate that will have HIGH or "1" at its output when any one of its inputs is HIGH is a(n):
  • OR gate
  • AND gate
  • NOR gate
  • NOT gate
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5. How many NAND circuits are contained in a 7400 NAND IC?
  • 1
  • 2
  • 4
  • 8
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6. Exclusive-OR (XOR) logic gates can be constructed from what other logic gates?
  • OR gates only
  • AND gates and NOT gates
  • AND gates, OR gates, and NOT gates
  • OR gates and NOT gates
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7. How many truth table entries are necessary for a four-input circuit?
  • 4
  • 8
  • 12
  • 16
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8. A NAND gate has:
  • LOW inputs and a LOW output
  • HIGH inputs and a HIGH output
  • LOW inputs and a HIGH output
  • None of the these
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9. The basic logic gate whose output is the complement of the input is the:
  • OR gate
  • AND gate
  • INVERTER gate
  • comparator
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10. What input values will cause an AND logic gate to produce a HIGH output?
  • At least one input is HIGH.
  • At least one input is LOW.
  • All inputs are HIGH.
  • All inputs are LOW.
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