Q. A technique used by codes to convert an analog signal into a digital bit stream is known as

  • (A) Digital Signal Generator
  • (B) Pulse Code Modulation
  • (C) Pulse Signal Modulation
  • (D) None of these
βœ… Correct Answer: (B) Pulse Code Modulation
Explanation:

Pulse Code Modulation (PCM) is a technique used to convert an analog signal into a digital bit stream. It involves three main steps:

  1. Sampling the analog signal
  2. Quantization of the sampled values
  3. Encoding into a digital format (binary)
  • Digital Signal Generator is not related to converting analog to digital.
  • Pulse Signal Modulation is a vague or incorrect term in this context.
  • Hence, the correct and specific term is Pulse Code Modulation (PCM).
Explanation by: Mr. Dubey

Pulse Code Modulation (PCM) is a technique used to convert an analog signal into a digital bit stream. It involves three main steps:

  1. Sampling the analog signal
  2. Quantization of the sampled values
  3. Encoding into a digital format (binary)
  • Digital Signal Generator is not related to converting analog to digital.
  • Pulse Signal Modulation is a vague or incorrect term in this context.
  • Hence, the correct and specific term is Pulse Code Modulation (PCM).

πŸ“ Notes by Other Students/ Teachers


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