Definition: Cyclic Redundancy Check (CRC)


Data stored or transmitted with data to detect corruption. By calculating the CRC data and comparing it to the original data sent, the receiver can detect some types of transmission errors.




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Data Recovery Fact

Areal Density

The number of bits of data that can be recorded onto the surface of a disk or platter usually measured in square inches. The areal density is calculated by multiplying the bit density (BPI - Bits Per Inch) by the track density (TPI - Tracks Per Inch).

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