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Home ‣ Digital Electronics ‣ Multivibrators and 555 Timer See What Others Are Saying!
  • Question

  • Is the circuit given below an astable multivibrator or a monostable multivibrator?

    Is the circuit given below an astable multivibrator or a monostable multivibrator? monostable astabl


  • Options
  • A. monostable
  • B. astable

  • Correct Answer
  • monostable 

    • More questions

    • 1. Convert the following octal number to decimal.
      178

    • Options
    • A. 51
    • B. 82
    • C. 57
    • D. 15
      • Discuss
    • 2. The final step in the device programming sequence is ________.

    • Options
    • A. compiling
    • B. downloading
    • C. simulation
    • D. synthesis
      • Discuss
    • 3. Polled I/O works best when ________.

    • Options
    • A. there are no priority considerations
    • B. priority considerations are frequent
    • C. the polling rate exceeds 1000 s
    • D. the polling rate is below 1000 s
      • Discuss
    • 4. What function is performed by the block labeled X in the given figure?


    • Options
    • A. Analog-to-digital conversion
    • B. Digital-to-analog conversion
    • C. Audio ON/OFF control
    • D. Power supply for the audio amplifier
      • Discuss
    • 5. The GAL22V10 has 12 outputs pins and 10 input pins.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Which of the following statements are true?

    • Options
    • A. Asynchronous events do not occur at the same time.
    • B. Asynchronous events are controlled by a clock.
    • C. Synchronous events do not need a clock to control them.
    • D. Only asynchronous events need a control clock.
      • Discuss
    • 7. What is the output pulse width of the waveform at the output of the circuit in the given figure?


    • Options
    • A. 1.65 ms
    • B. 18.2 ms
    • C. 4.98 ms
    • D. 54.6 ms
      • Discuss
    • 8. If a HIGH logic level is assigned a binary zero (0), and a low level is assigned a binary one (1), the logic is called ________.

    • Options
    • A. negative logic
    • B. positive logic
    • C. invalid logic
    • D. assertion-level logic
      • Discuss
    • 9. Several manufacturers have developed logic that combines the best features of TTL and CMOS. This is called ________.

    • Options
    • A. 12L
    • B. BiCMOS
    • C. 74ACT
    • D. 74HCT
      • Discuss
    • 10. Which of the examples below expresses the distributive law?

    • Options
    • A. (A + B) + C = A + (B + C)
    • B. A(B + C) = AB + AC
    • C. A + (B + C) = AB + AC
    • D. A(BC) = (AB) + C
      • Discuss

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