c

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common key cryptography

A cryptography that uses a common key for encrypting data or restoring the encrypted data back to the original […]

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contents

Various materials such as texts contained in office documents, document images, graphics, and audio. A mechani […]

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contrast

difference in density between darkest and lightest fields (SOURCE: JIS Z 6015:2022, 4.35)

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Compact Disk

→ See CD

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Compact Disk–Read Only Memory

→ See CD-ROM

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compression

reduction in size of an electronic file NOTE 1: Compression can be lossy (4.88) or lossless (4.87). NOTE 2: Co […]

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compression ratio

relationship of the file size before compression (4.31) to the file size after compression (SOURCE: JIS Z 6015 […]

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conversion? media conversion?

→ See media migration

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color reproduction

Degree of color reproduction of the original document

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copy

A document that is merely a copy of an original document, regardless of the intention of the creator, and for […]

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