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ROM: Read Only Memory: A non-volatile memory chip manufactured to
RS-232C: The Electronic Industries Association (EIA) interface standard
S
SCSI: Small Computer System Interface is an industry standard interface
serial communications: A communications technique that uses as few as
serial interface: Refers to a type of information exchange that transmits
serial port: A communications port to which you can connect devices,
serial: The handling of data bits one after the other.
SIO: Serial Input/Output. The electronic methodology used in serial data
soft key: Key combinations that emulate keys on the IBM keyboard,
software: The set of programs, procedures and related documentation
standby: See resume.
stop bit: One or more bits of a byte that follow the transmitted character or
subpixel: Three elements, one red, one green and blue (RGB), that make
suspend: See resume.
S-video: This connection provides separate lines for contrast and colour,
synchronous: Having a constant time interval between successive bits,
system disk: A disk that has been formatted with an operating system.
Glossary 12
contain information that controls the computer's basic operation.
You cannot access or change information stored in ROM.
that describes the 25-pin connector interface and control, data, and
status signals that allow asynchronous communications between
computers, printers, communications and other peripheral devices.
for connection of a variety of peripheral devices.
two interconnecting wires to send bits one after another.
information sequentially, one bit at a time. Contrast: Parallel
interface.
such as a modem, mouse, or serial printer.
transmission.
change some configuration options, stop program execution, and
access the numeric keypad overlay.
associated with a computer system. Specifically refers to computer
programs that direct and control the computer system's activities.
See also hardware.
group codes in asynchronous serial communications.
up a pixel on the colour LCD. The computer sets subpixels
independently, each may emit a different degree of brightness. See
also pixel.
which produces a video image superior to that produced by a
composite connection. See also RCA jack.
characters or events.
For MS-DOS the operating system is contained in two hidden files
and the COMMAND.COM file. You can boot a computer using a
system disk. Also called an operating system disk.
User's Manual
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