Glossary » I/O Devices
vector display
a technology used for computer monitors that moved the electron beam in a CRT directly along the paths between specified points on the display, creating very sharp, smooth lines and requiring very little memory to refresh the display. Vector displays…
Read more »virtual device
an abstract specification of an input or output device that enables a programmer to interact with that device without knowing the details of the specific device, e.g. by using a printer language to send output to a printer without knowing…
Read more »voice output communication aid
VOCA; a device used by those with speech impairments that uses computer-generated speech to communicate.
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