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  • Question

  • What is the advantage of using serial data transmission over parallel data transmission?


  • Options
  • A. It is slower.
  • B. Only one pair of wires is required.
  • C. More people use it.
  • D. It is faster.

  • Correct Answer
  • Only one pair of wires is required. 

    • Signals and Switches problems

    Search Results

    • 1. If the input voltage on D1 in the given figure is changed to 0 V, what is the output voltage Vout?


    • Options
    • A. ?5 V
    • B. 0 V
    • C. +5 V
    • D. +4.3 V
      • Discuss
    • 2. What can a relay provide between the triggering source and the output that semiconductor switching devices cannot?

    • Options
    • A. total isolation
    • B. faster
    • C. higher current rating
    • D. total isolation and higher current rating
      • Discuss
    • 3. What is the frequency of a clock waveform if the period of that waveform is
      1.25 µs?

    • Options
    • A. 8 kHz
    • B. 0.8 kHz
    • C. 0.8 MHz
    • D. 8 MHz
      • Discuss
    • 4. What is the advantage of using CMOS logic over TTL?

    • Options
    • A. It switches faster.
    • B. It uses less power.
    • C. It is larger.
    • D. cost
      • Discuss
    • 5. What is used to graphically show the time relationship between two or more digital waveforms?

    • Options
    • A. reference diagram
    • B. timing diagram
    • C. voltage curve
    • D. load line
      • Discuss
    • 6. The hexadecimal number 4B16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz?

    • Options
    • A. 444 ns
    • B. 444 µs
    • C. 3.55 µs
    • D. 3.55 ms
      • Discuss
    • 7. Is the transistor in the given figure considered ON or OFF?


    • Options
    • A. OFF
    • B. ON
    • C. Not enough information is provided.
      • Discuss
    • 8. The serial format for transmitting binary information uses:

    • Options
    • A. a single conductor
    • B. multiple conductors
    • C. infrared technology
    • D. fiber-optic
      • Discuss
    • 9. Determine the output voltage Vout for the circuit in the given figure.


    • Options
    • A. ?0.5 V
    • B. 0 V
    • C. +5 V
    • D. +4.3 V
      • Discuss
    • 10. To forward bias a diode, a ________ potential is needed on the ________ and a ________ is needed on the ________.

    • Options
    • A. negative, cathode, positive, anode
    • B. negative, anode, positive, cathode
      • Discuss

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