Multiple choice general knowledge science & technology

Digital signals can take only two values

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Digital signals can use multiple discrete levels, not just binary (two values). While binary digital signals use two levels (0 and 1), many communication systems use multi-level digital signaling (like 4-level QAM, 8-level PCM) to transmit more bits per symbol. The statement is too restrictive.

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