Digital Data Types and Compression Techniques in Computing

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Last updated 11:30 PM on 5/9/26
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7 Terms

1
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bit

A binary digit, either 0 or 1.

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byte

A sequence of 8 bits.

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roundoff

Error that results when the number of bits is not enough to represent the number with full precision (like using 3 digits to represent pi as 3.14).

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analog data

Values that change smoothly, rather than in discrete intervals, over time.

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lossless

Compressing data in a way that preserves all data away and allows full recovery of the original.

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lossy

Compressing data in a way that discards some data and makes it impossible to recover the original.

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metadata

Data about data, like descriptive information about a file or a row in a database.