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Home ‣ Digital Electronics ‣ Combinational Logic Circuits Comments
  • Question

  • The 54 prefix on ICs indicates a broader operating temperature range, generally intended for military use.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Combinational Logic Circuits problems

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    • 1. A digital circuit that converts coded information into a familiar or non-coded form is known as an encoder.

    • Options
    • A. True
    • B. False
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    • 2. Three select lines are required to address four data input lines.

    • Options
    • A. True
    • B. False
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    • 3. A data selector is also called a demultiplexer.

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    • A. True
    • B. False
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    • 4. The following combination is correct for an EVEN parity data transmission system:
      data = 100111100 and parity = 0

    • Options
    • A. True
    • B. False
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    • 5. A square in the top row of a K-map is considered to be adjacent to its corresponding square in the bottom row.

    • Options
    • A. True
    • B. False
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    • 6. An exclusive-OR gate will invert a signal on one input if the other is always HIGH.

    • Options
    • A. True
    • B. False
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    • 7. The simplified form of .

    • Options
    • A. True
    • B. False
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    • 8. In true sum-of-products expressions, the inversion signs cannot cover more than single variables in a term.

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    • A. True
    • B. False
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    • 9. Truth tables are great for listing all possible combinations of independent variables.

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    • A. True
    • B. False
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    • 10. The Boolean equation of the exclusive-NOR function is .

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    • A. True
    • B. False
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