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Questions and Answers
Which process is used to convert analog signals to digital signals?
Which process is used to convert analog signals to digital signals?
- Sampling
- Modulation
- Pulse Code Modulation
- Analog to Digital Conversion (correct)
What are the three steps involved in Pulse Code Modulation (PCM)?
What are the three steps involved in Pulse Code Modulation (PCM)?
- Sampling, Quantizing, and Encoding (correct)
- Sampling, Encoding, and Modulation
- Quantizing, Encoding, and Modulation
- Analog to Digital Conversion, Modulation, and Sampling
Which step in Pulse Code Modulation (PCM) selects data points to create the digital data?
Which step in Pulse Code Modulation (PCM) selects data points to create the digital data?
- Sampling (correct)
- Modulation
- Quantizing
- Encoding
What does quantizing in Pulse Code Modulation (PCM) involve?
What does quantizing in Pulse Code Modulation (PCM) involve?
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Which application commonly uses Pulse Code Modulation (PCM)?
Which application commonly uses Pulse Code Modulation (PCM)?
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Study Notes
Analog to Digital Conversion
- The process of converting analog signals to digital signals is called Pulse Code Modulation (PCM).
Pulse Code Modulation (PCM) Steps
- The three steps involved in Pulse Code Modulation (PCM) are:
- Sampling: selecting data points to create the digital data.
- Quantizing: assigning a digital code to each sampled value.
- Coding: converting the quantized values into a binary code.
Quantizing in PCM
- Quantizing in Pulse Code Modulation (PCM) involves assigning a digital code to each sampled value.
Applications of PCM
- One common application that uses Pulse Code Modulation (PCM) is Compact Disc (CD) audio recording.
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