Time Division Multiplexing MCQ’s

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This set of Avionics Multiple Choice Questions & Answers (MCQs) focuses on “Time Division Multiplexing”.

1. Serial transmission is not possible without time division multiplexing.
a) True
b) False

2. What device is used to demodulate a time division multiplexed analog wave?
a) High pass filter
b) Low pass filter
c) Band stop filter
d) Attenuator

3. Frequency division multiplexing:Frequency slots::time division multiplexing:?
a) Time slots
b) Coded information
c) Pulsed information
d) Band slots

4. Which of the following device was used in early TDM/PAM telemetry systems?
a) Commuter
b) Linear switch
c) Logic gates
d) DSP

5. What is the purpose of one shot multivibrator?
a) Trigger all AND gates at clock frequency
b) Trigger all OR gates at clock frequency
c) Trigger all AND gates at signal frequency
d) Trigger all OR gates at signal frequency

6. What are used to reduce or stop synchronization problems while receiving?
a) Clock recovery circuits
b) Demodulators
c) Synchronizer
d) Band pass filter

7. What is the time allocated for each channel if the number of samples per frame is 4 and the frame rate is 100frames/sec?
a) 1.2ms
b) 3ms
c) 2.5ms
d) 0.54ms

8. The circuit used to regenerate clock pulses from the transmitted PAM signals is called ____
a) Clock demodulator circuits
b) Timer circuits
c) Clock receiving circuits
d) Clock recovery circuits

9. In a four channel system, all four signals transmitted contain information.
a) True
b) False

10. Which of the following is not an advantage of time division multiplexing?
a) Signal interference is less
b) More flexible
c) Full channel can be used for every signal
d) Fast data transfer

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