a
access control
To restrict the use of document information stored in a document information system. Access control restricts […]
addressability
number of discrete pixels (4.108) that can be addressed using a co-ordinate system on a display or in the devi […]
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 (4.67) NOTE: The voltage that determines the br […]
aperture card
This is a microform consisting of a roll of film cut into one or several pieces and attached to an aperture po […]
aperture card scanner
device for scanning micro-images in aperture cards NOTE: Some scanners (4.124) can also read information print […]
auto changer
Device that can automatically select any one disc from a large number of optical discs.