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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