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  • Question
  • The horizontal axis of an oscilloscope is normally calibrated in units of ________.


  • Options
  • A. voltage
  • B. current
  • C. time
  • D. frequency

  • Correct Answer
  • time 


  • Digital Concepts problems


    Search Results


    • 1. Digital systems have ________.

    • Options
    • A. one state
    • B. two states
    • C. three states
    • D. four states
    • Discuss
    • 2. It is possible to have an overlap between high and low levels in digital logic.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The real world is mainly analog.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. With an AND gate, if one input is HIGH, the output reflects the other input.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The digit that changes most often when counting is called the ________.

    • Options
    • A. LSB
    • B. LL Bean
    • C. LED
    • D. LCD
    • Discuss
    • 7. The controls on an oscilloscope that will help obtain a stable display are in the ________.

    • Options
    • A. vertical section
    • B. horizontal section
    • C. trigger section
    • D. display section
    • Discuss
    • 8. The duty cycle of a square wave is ________.

    • Options
    • A. 10%
    • B. 25%
    • C. 50%
    • D. 100%
    • Discuss
    • 9. A set of instructions for a computer is called a(n) ________.

    • Options
    • A. instruction manual
    • B. logic unit
    • C. program
    • D. diagram
    • Discuss
    • 10. In ________ transmission, a single conductor is used.

    • Options
    • A. digital
    • B. automatic
    • C. serial
    • D. binary
    • Discuss


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