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Home ‣ Digital Electronics ‣ Logic Gates Comments
  • Question

  • Power is connected to pins 7 and 14 of a 7408 quad two-input AND gate IC to allow voltage for all four AND gates on the IC.


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Logic Gates problems

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    • 1. An OR array is programmed by blowing fuses to eliminate selected variables from the output functions.

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    • A. True
    • B. False
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    • 2. A NOR gate and an OR gate operate in exactly the same way.

    • Options
    • A. True
    • B. False
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    • 3. An exclusive-OR gate output is HIGH when the inputs are unequal.

    • Options
    • A. True
    • B. False
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    • 4. An OR gate output is HIGH only if all the inputs are HIGH.

    • Options
    • A. True
    • B. False
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    • 5. An AND gate output is LOW if all the inputs are HIGH.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. In a Boolean equation the use of the + symbol represents the OR function.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A waveform can be enabled or disabled by both AND and OR gates.

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    • A. True
    • B. False
      • Discuss
    • 8. A NAND gate output is LOW only if all the inputs are HIGH.

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    • A. True
    • B. False
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    • 9. A truth table illustrates how the input level of a gate responds to all the possible output level combinations.

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    • A. True
    • B. False
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    • 10. A NOR gate output is LOW if any of its inputs is LOW.

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    • A. True
    • B. False
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