Time Division Multiplexing MCQ

Test your knowledge with important Time Division Multiplexing MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Time Division Multiplexing MCQs on Bissoy. Bissoy App

• Which of the following can be generated from the PDM signal?
  ক

  PPM

  খ

  PTM

  গ

  PAM

  ঘ

  PFM
• PTM stand for _________________
  ক

  Pulse train modulation

  খ

  Pulse time modulation

  গ

  Power train modulation

  ঘ

  None of the mentioned
• Amplitude of each pulse of PAM train conveys the amplitude of particular channel sampled.
  ক

  True

  খ

  False
• Maximum rate of commutation will be _________________
  ক

  800 sample per second

  খ

  900 sample per second

  গ

  1200 sample per second

  ঘ

  1000 sample per minute
• What will be the general number of samples per frame?
  ক

  18

  খ

  30

  গ

  18 or 30

  ঘ

  None of the mentioned
• Which of the following represents a number of samples per second?
  ক

  Product of frame rate and number of samples per frame

  খ

  Frame rate

  গ

  Ratio of samples per frame and frame rate

  ঘ

  None of the mentioned
• Commutators are mechanical switches in operation.
  ক

  True

  খ

  False
• PAM stands for _______________
  ক

  Pulse Amplitude Modulation

  খ

  Power Amplitude Modulation

  গ

  Pulse Additive Modulation

  ঘ

  Pulse Amplitude Masking
• Which of the following data is correct for TDM?
  ক

  Analog data is transmitted

  খ

  Digital data is transmitted

  গ

  Both analog and digital data transmitted

  ঘ

  None of the mentioned
• Time division multiplexing includes ___________________
  ক

  Wired link

  খ

  Radio link

  গ

  Radio or wire link

  ঘ

  None of the mentioned
• Which of the following is not an advantage of time division multiplexing?
  ক

  Signal interference is less

  খ

  More flexible

  গ

  Full channel can be used for every signal

  ঘ

  Fast data transfer
• In a four channel system, all four signals transmitted contain information.
  ক

  True

  খ

  False
• What are used to reduce or stop synchronization problems while receiving?
  ক

  Clock recovery circuits

  খ

  Demodulators

  গ

  Synchronizer

  ঘ

  Band pass filter
• The circuit used to regenerate clock pulses from the transmitted PAM signals is called ____
  ক

  Clock demodulator circuits

  খ

  Timer circuits

  গ

  Clock receiving circuits

  ঘ

  Clock recovery circuits
• What is the purpose of one shot multivibrator?
  ক

  Trigger all AND gates at clock frequency

  খ

  Trigger all OR gates at clock frequency

  গ

  Trigger all AND gates at signal frequency

  ঘ

  Trigger all OR gates at signal frequency
• What is the time allocated for each channel if the number of samples per frame is 4 and the frame rate is 100frames/sec?
  ক

  1.2ms

  খ

  3ms

  গ

  2.5ms

  ঘ

  0.54ms
• Which of the following device was used in early TDM/PAM telemetry systems?
  ক

  Commuter

  খ

  Linear switch

  গ

  Logic gates

  ঘ

  DSP
• What device is used to demodulate a time division multiplexed analog wave?
  ক

  High pass filter

  খ

  Low pass filter

  গ

  Band stop filter

  ঘ

  Attenuator
• Serial transmission is not possible without time division multiplexing.
  ক

  True

  খ

  False
• Frequency division multiplexing:Frequency slots::time division multiplexing:?
  ক

  Time slots

  খ

  Coded information

  গ

  Pulsed information

  ঘ

  Band slots
• What is the input impedance to a lossless antenna, at resonance?
  ক

  infinite

  খ

  0

  গ

  resistive

  ঘ

  capacitive
• The polarization of plane waves received from satellite is changed by ________
  ক

  Faraday rotation

  খ

  Gamma rays

  গ

  Helical rotation

  ঘ

  Distance travelled
• “Ground Effect” in antenna caused by ________
  ক

  faulty connection of the feed cable ground

  খ

  fading

  গ

  buildings and other structures on ground

  ঘ

  radio signals reflecting off the ground
• What is the full form of ERP?
  ক

  Effective Radiated Power

  খ

  Effective Reflected Power

  গ

  Equivalent Radiated Power

  ঘ

  Equivalent Reflected Power
• When an antenna radiates more energy in one direction than in other directions, it is called ________
  ক

  selectivity

  খ

  directivity

  গ

  active antenna

  ঘ

  resonance
• Measured on the ground, the field strength of a horizontally polarized half wave dipole antenna is strongest ________
  ক

  in one direction

  খ

  in two directions

  গ

  depends on the number of elements

  ঘ

  depends on the shape of antenna
• What is the other name for half-wave dipole antenna?
  ক

  Helical antenna

  খ

  Isotropic antenna

  গ

  Hertz antenna

  ঘ

  Maxwell antenna
• The real part of an antenna’s input impedance is due to ________
  ক

  SWR

  খ

  radiated signal

  গ

  reflected signal

  ঘ

  refracted signal