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Combinational Logic Circuits problems

  • 1. The carry propagation can be expressed as ________.

  • Options
  • A. Cp = AB
  • B. Cp = A + B
  • C.
  • D.
    • Discuss
  • 2. An encoder in which the highest and lowest value input digits are encoded simultaneously is known as a priority encoder.

  • Options
  • A. True
  • B. False
    • Discuss
  • 3. The look-ahead carry method suffers from propagation delays.

  • Options
  • A. True
  • B. False
    • Discuss
  • 4. This is an example of a POS expression:

    Digital Electronics Combinational Logic Circuits: This is an example of a POS expression:


  • Options
  • A. True
  • B. False
    • Discuss
  • 5. The Boolean equation Digital Electronics Combinational Logic Circuits: The Boolean equation r results from this Karnaugh map.

    Digital Electronics Combinational Logic Circuits: The Boolean equation r


  • Options
  • A. True
  • B. False
    • Discuss
  • 6. 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
    • Discuss
  • 7. The following combination is correct for an EVEN parity data transmission system:
    data = 100111100 and parity = 0

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

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

  • Options
  • A. True
  • B. False
    • Discuss
  • 10. A digital circuit that converts coded information into a familiar or non-coded form is known as an encoder.

  • Options
  • A. True
  • B. False
    • Discuss

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