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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. Resolution is
usually specified in pixels by scan lines, for example, 1024x768.
See pixels.
RS-232C
Standard interface for serial devices. This port is sometimes
referred to as the serial port.
S
scanner
An optical device that reads printed material and converts it to a
computer screen image.
serial interface
An interface that communicates information one bit at a time.
serial printer
A printer with a serial interface.
SIR
Serial Infrared, an infrared technology that sends data at
2.4 Mbit/second (2,400,000 bits per second).
SO-DIMM
Small Outline Dual-Inline Memory Module. A small circuit board
that holds memory chips. A dual in-line memory module (DIMM)
has a 64-bit path.
10 Glossary
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