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Home ‣ Digital Electronics ‣ Describing Logic Circuits Comments
  • Question

  • A NAND gate consists of an AND gate and an OR gate connected in series with each other.


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Describing Logic Circuits problems

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    • 1. The timing diagram for a two-input NAND gate is shown below. The gate is working correctly.


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    • A. True
    • B. False
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    • 2. The effect of an inverted output being connected to the inverting input of another gate is to effectively eliminate one of the inversions, resulting in a single inversion.

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    • A. True
    • B. False
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    • 3. In an expression containing both AND and OR operations, the AND operations are performed first (unless parentheses indicate otherwise).

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    • A. True
    • B. False
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    • 4. A minimum of three universal NOR gates would be required to perform the logical operation of a 2-input AND gate.

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    • A. True
    • B. False
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    • 5. A LOW placed on the input of an inverter will produce a HIGH output.

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    • A. True
    • B. False
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    • 6. The NAND gate is an example of combinational logic.

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    • A. True
    • B. False
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    • 7. The symbol shown below is an AND gate.


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    • A. True
    • B. False
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    • 8. In Boolean algebra, 1 · 0 = 0.

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    • A. True
    • B. False
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    • 9. VHDL is not a new language.

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    • A. True
    • B. False
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    • 10. A two-input NAND gate has inputs of 1 and 0; the output is 0.

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    • A. True
    • B. False
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