Data Communication and Networking – Analog to Digital Modulation Techniques – PAM / PCM / NyQuist Theorem MCQs

This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Analog to Digital Modulation Techniques- Pulse Amplitude Modulation PAM – Pulse Code Modulation PCM – NyQuist Theorem”.
 

1
. In _______, an analog signal is sampled at equal intervals, with the resulting pulses still analog in value
  • ASK
  • PSK
  • PAM
  • QAM
2
. In _______, the first step after PAM is quantization of the analog pulses.
  • ASK
  • PSK
  • QAM
  • PCM
3
. The _______ sampling rate is based on the Nyquist theorem.
  • B8ZS
  • PAM
  • HDB3
  • PSK
4
. A sampling rate of _______ million samples per second is needed for a signal with components ranging from 10MHz to 100 MHz
  • 10
  • 90
  • 100
  • 200
5
. In _______ conversion we are representing analog information as a series of 0s and 1s.
  • analog-to-analog
  • analog-to-digital
  • digital-to-analog
  • digital-to-digital

 
 
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