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Home ‣ Electronics ‣ Number Systems and Codes See What Others Are Saying!
  • Question

  • A binary number's value changes most drastically when the ____ is changed.


  • Options
  • A. LSB
  • B. duty cycle
  • C. MSB
  • D. frequency

  • Correct Answer
  • MSB 

    • More questions

    • 1. 

      The output voltage is _____ at the resonant frequency in the given circuit.


    • Options
    • A. 0 mV
    • B. 31.4 mV
    • C. 66.5 mV
    • D. 380 mV
      • Discuss
    • 2. The control bus and memories share a bidirectional bus in a typical microprocessor system.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      Which circuit fault do the meter readings in the given figure indicate?


    • Options
    • A. The 1 kΩ resistor is shorted.
    • B. The 4.7 kΩ resistor is shorted.
    • C. The 2.2 kΩ resistor is shorted.
    • D. The 3.3 kΩ resistor is shorted.
      • Discuss
    • 4. Germanium is the most widely used semiconductor material because of its stability at high temperatures.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. What do variable capacitors use for dielectric?

    • Options
    • A. ceramic, electrolytic, mica, or paper
    • B. air, ceramic, mica, or plastic
    • C. ceramic, paper, plastic, or mica
    • D. mica, ceramic, plastic, or electrolytic
      • Discuss
    • 6. During a current change, the ability of a conductor to produce counter emf within itself is called:

    • Options
    • A. back emf
    • B. self-induction
    • C. a henry
    • D. impedance
      • Discuss
    • 7. Holding current for an SCR is best described as

    • Options
    • A. the minimum current required for turn-off
    • B. the current required before an SCR will turn on
    • C. the amount of current required to maintain conduction
    • D. the gate current required to maintain conduction
      • Discuss
    • 8. Power is measured in units of:

    • Options
    • A. joules x charge
    • B. joules/work
    • C. joules x voltage
    • D. joules/time
      • Discuss
    • 9. Adding in binary, the decimal values 26 + 27 will produce a sum of:

    • Options
    • A. 111010
    • B. 110110
    • C. 110101
    • D. 101011
      • Discuss
    • 10. Pulse-triggered flip-flops are also called _________ flip-flops.

    • Options
    • A. master-slave
    • B. postponed
    • C. level
    • D. edge
      • Discuss

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