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ablation

deformation in an optical disk created by a high-powered laser during write operation, that burns or melts the […]

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aperture card

a microform consisting of a roll of film cut into one or several pieces and attached to an aperture portion of […]

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aperture card scanner

device for scanning micro-images in aperture cards NOTE: Some scanners can also read information printed on th […]

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archive

organized collection and preservation of records and materials created by individuals and organizations Also, […]

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access control

to restrict the use of document stored in a document and information system Access control restricts the use a […]

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aspect ratio

ratio of height to width of a rectangle (SOURCE: JIS Z 6015:2022, 4.8)

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addressability

number of discrete pixels that can be addressed using a co-ordinate system on a display or in the devices supp […]

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analogue-to-digital conversion, A/D

process of converting a continuous electrical current or signal into digital form (SOURCE: JIS Z 6015:2022, 4. […]

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analogue transmission

transmission of continuously varying electronic signals analogous to tonal variations (SOURCE: JIS Z 6015:2022 […]

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analogue monitor

output device that uses an analogue signal to display an image NOTE: The voltage that determines the brightnes […]

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