PAM, PWM and TDM MCQ

Test your knowledge with important PAM, PWM and TDM MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more PAM, PWM and TDM MCQs at Bissoy

• TDM requires
  ক

  Constant data transmission

  খ

  Transmission of data samples

  গ

  Transmission of data at random

  ঘ

  Transmission of data of only one measured
• In an ideal TDM system, the cross correlation between two users of the system is
  ক

  1

  খ

  0

  গ

  Infinity

  ঘ

  -1
• TDM is less immune to cross-talk in channel than FDM.
  ক

  True

  খ

  False
• A PWM signal can be generated by
  ক

  An astable multi vibrator

  খ

  A monostable multi vibrator

  গ

  Integrating a PPM signal

  ঘ

  Differentiating a PPM signal
• Which of the following requires a synchronizing signal?
  ক

  Single channel PPM system

  খ

  PAM

  গ

  DM

  ঘ

  All of the mentioned
• The use of non uniform quantization leads to
  ক

  Reduction in transmission bandwidth

  খ

  Increase in maximum SNR

  গ

  Increase in SNR for low level signals

  ঘ

  Simplification of quantization process
• Coherent demodulation of FSK signal can be performed using
  ক

  Matched filter

  খ

  BPF and envelope detectors

  গ

  Discriminator

  ঘ

  None of the mentioned
• A PAM signal can be detected using
  ক

  Low pass filter

  খ

  High pass filter

  গ

  Band pass filter

  ঘ

  All pass filter
• In a delta modulation system, granular noise occurs when the
  ক

  Modulating signal increases rapidly

  খ

  Pulse rate decreases

  গ

  Pulse amplitude decreases

  ঘ

  Modulating signal remains constant
• Flat top sampling of low pass signals
  ক

  Gives rise to aperture effect

  খ

  Implies over sampling

  গ

  Leads to aliasing

  ঘ

  Introduces delay distortion