a
aperture card
a microform consisting of a roll of film cut into one or several pieces and attached to an aperture portion of […]
aperture card scanner
device for scanning micro-images in aperture cards NOTE: Some scanners can also read information printed on th […]
access control
to restrict the use of document stored in a document and information system Access control restricts the use a […]
addressability
number of discrete pixels that can be addressed using a co-ordinate system on a display or in the devices supp […]
analogue-to-digital conversion, A/D
process of converting a continuous electrical current or signal into digital form (SOURCE: JIS Z 6015:2022, 4. […]
analogue transmission
transmission of continuously varying electronic signals analogous to tonal variations (SOURCE: JIS Z 6015:2022 […]
analogue monitor
output device that uses an analogue signal to display an image NOTE: The voltage that determines the brightnes […]

