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  • Question

  • In a positive logic system, the HIGH level is usually represented by ________.


  • Options
  • A. 0 V
  • B. +1 V
  • C. +5 V
  • D. +9 V

  • Correct Answer
  • +5 V 

    • Digital Concepts problems

    Search Results

    • 1. In a typical digital system, Logic 0 is 0V?0.8V, and Logic 1 is ________.

    • Options
    • A. 2?5V
    • B. 2.5?5V
    • C. 3.0?5.5V
    • D. 3.5?5.5V
      • Discuss
    • 2. ________ is the highest-value seven-bit binary number.

    • Options
    • A. 128
    • B. 127
    • C. 126
    • D. 125
      • Discuss
    • 3. Memory devices that use electronic latching circuits are called ________.

    • Options
    • A. RAM
    • B. flip-flops
    • C. magnetic tape
    • D. DRAM
      • Discuss
    • 4. Other ________ are often used to interpret or represent binary quantities for the convenience of the people who work with and use these digital systems.

    • Options
    • A. analog systems
    • B. digital systems
    • C. number systems
    • D. binary systems
      • Discuss
    • 5. The set of instructions for a computer is called a(n) ________.

    • Options
    • A. program
    • B. input
    • C. output
    • D. control unit
      • Discuss
    • 6. 1/4 as a binary number would be ________.

    • Options
    • A. 0.01
    • B. 0.11
    • C. 0.10
    • D. 0.00
      • Discuss
    • 7. The rise-time of a pulse is normally measured between the ________.

    • Options
    • A. 0 and 100% level
    • B. 10% and 90% level
    • C. 30% and 70% level
    • D. 50% level on the leading edge to the 50% level on the trailing edge
      • Discuss
    • 8. The quantity represented by #1 in the given figure is ________.


    • Options
    • A. VH(max)
    • B. VL(min)
    • C. VH(min)
    • D. VL(max)
      • Discuss
    • 9. The manner in which a digital circuit responds to an input is the circuit's ________.

    • Options
    • A. logic
    • B. wiring
    • C. inputs
    • D. outputs
      • Discuss
    • 10. The value of the data shown in the given figure is ________.


    • Options
    • A. between 0 and 1
    • B. 1011001
    • C. 5
    • D. 1001101
      • Discuss

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