The digital signals are used for transmission in communication system. They are

The digital signals are used for transmission in communication system. They are
  1. only of discrete stepwise values.
  2. sound and picture signals in television.
  3. continuous variations of current or voltage.
  4. fundamental sine waves.

Solution

Only for discrete stepwise values. ^

Asked in: MHT CET 2020 (13 Oct Shift 2)

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