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Home ‣ Digital Electronics ‣ Signals and Switches Comments
  • Question

  • Serial communications cannot be sped up.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Signals and Switches problems

    Search Results

    • 1. Precise timing is not important in digital signals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Most modern digital systems are based on semiconductor technology.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A plot of voltage versus time is called a timing diagram.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The frequency of the clock waveform is defined as the reciprocal of the clock period.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The expression can be directly implemented using only ________.

    • Options
    • A. an XOR gate
    • B. an XNOR gate
    • C. an AOI circuit
    • D. three 2-input NAND gates
      • Discuss
    • 6. Manual switches and relays have identical ON and OFF resistances.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The SO package is available for the most popular TTL and CMOS digital logic and analog IC devices.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The ability to manufacture smaller, more dense components has been fulfilled by SMD.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The CMOS uses bipolar transistors instead of MOSFET.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. An electromechanical relay is operated manually.

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

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