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Home ‣ Digital Electronics ‣ Describing Logic Circuits Comments
  • Question

  • The truth table shown below describes the operation of a NOR gate.

    The truth table shown below describes the operation of a NOR gate. True False


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Describing Logic Circuits problems

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    • 1. The OR gate performs like two switches wired in a series.

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    • A. True
    • B. False
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    • 2. The application of DeMorgan's theorems to a Boolean expression with double and single inversions produces a resultant expression that contains only single inverter signs over single variables.

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    • A. True
    • B. False
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    • 3. The expressions, , are equivalent.

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    • A. True
    • B. False
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    • 4. Output logic levels for certain input conditions of a logic circuit may often be determined without using the Boolean expression.

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    • A. True
    • B. False
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    • 5. Boolean algebra was first applied to the analysis of digital circuits by Claude Shannon at Stanford University.

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    • A. True
    • B. False
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    • 6. The given figure shows the correct logic implementation of the distributive law.


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    • A. True
    • B. False
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    • 7. Boolean multiplication is symbolized by A + B.

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    • A. True
    • B. False
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    • 8. The comments in ADHL are enclosed between # characters.

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    • A. True
    • B. False
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    • 9. The figure given below is an example of the implementation of AND-OR-INVERT logic.


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    • A. True
    • B. False
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    • 10. In VHDL, local signals are declared in the VARIABLE section, which is placed between the SUBDESIGN section and the logic section.

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    • A. True
    • B. False
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