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Questions and Answers
What is the process of encoding information using fewer bits than the original representation called?
What is the process of encoding information using fewer bits than the original representation called?
- Data transformation
- Data reduction
- Data encoding
- Data compression (correct)
What is the term for compression that reduces bits by removing unnecessary or less important information?
What is the term for compression that reduces bits by removing unnecessary or less important information?
- Lossless compression
- Lossy compression (correct)
- Statistical compression
- Redundant compression
What is the device called that performs the reversal of the data compression process?
What is the device called that performs the reversal of the data compression process?
- Compressor
- Reverser
- Decoder (correct)
- Encoder
What is the process of reducing the size of a data file often referred to as?
What is the process of reducing the size of a data file often referred to as?
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What is the term for compression that reduces bits by identifying and eliminating statistical redundancy?
What is the term for compression that reduces bits by identifying and eliminating statistical redundancy?
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Study Notes
Data Compression
- The process of encoding information using fewer bits than the original representation is called compression.
Types of Compression
- Lossy compression reduces bits by removing unnecessary or less important information.
- Lossless compression reduces bits by identifying and eliminating statistical redundancy.
Decompression
- The device that performs the reversal of the data compression process is called a decompressor.
Data Reduction
- The process of reducing the size of a data file is often referred to as data compression or file compression.
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