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____ depends on the amount of redundancy in a data stream.

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____ depends on the amount of redundancy in a data stream.

(a) Encryption

(b) Data compression

(c) Encoding

(d) Grouping of data

I have been asked this question in semester exam.

This intriguing question originated from Hardware Architecture in division Software Defined Radio Architecture of Cognitive Radio

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The correct choice is (b) Data compression

The best explanation: Data coding has different types of redundancies within a message or between messages. Data compression ranges from 10% to 50% depending on the amount of redundancy present in original information data stream.

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