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read
To extract data from a storage device such as a diskette.
ROM
Read-Only Memory. Memory in which stored data cannot
be modified by the user except under special conditions.
reset
The process of returning a device to zero or to an initial or
arbitrarily selected condition.
resolution
The degree of screen image clarity. Video display resolution
is determined by the number of pixels on the screen. Reso-
lution is usually specified in pixels by scan lines, for exam-
ple, 640 by 480. See pixels.
RS-232C
Standard interface for serial devices.
S
serial interface
An interface that communicates information one bit at
a time.
serial printer
A printer with a serial interface.
shadowing
To copy the system and video BIOS from chip to RAM for
enhanced system performance.
software
Programs that run on a computer, such as operating
systems, word processors, and spreadsheets.
Glossary-8
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