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communications standards. European asynchronous data communications use the
CCITT standard.
CD: Carrier detect. An RS-232-C signal the modem sends to indicate it has
established a connection.
Centronics: The printer manufacturer whose method of data transmission between
a parallel printer and a computer has become an industry standard.
CGA: Color/graphics adapter. A video display protocol defined by the IBM
Color/Graphics Monitor Adapter and its associated circuitry. This protocol
supports two-color 640x200 and four-color 320x200 graphics, and 16-color 640x200
and 320x200 text modes.
character: Any letter, number, punctuation mark, or symbol used by the
computer. Also synonymous with byte.
chassis: The frame containing the computer.
chip: A small semiconductor containing computer logic and circuitry for
processing, memory, input/output functions and controlling other chips.
CMOS: Complementary Metal-Oxide Semiconductor. An electronic circuit
fabricated on a silicon wafer that requires very little power. Integrated
circuits implemented in CMOS technology can be tightly packaged and are highly
reliable.
cold start: Starting a computer that is currently off (turning on the power).
COM1 and COM2: The names assigned to the serial and communication ports.
command state: A functional state of a modem that is off line, waiting for
commands.
commands: Instructions you enter at the terminal keyboard that direct the
actions of the computer or its peripheral devices.
communications: The means by which a computer transmits and receives data to
and from another computer or device. See parallel interface; serial interface.
compatibility: 1) The ability of one computer to accept and process data in the
same manner as another computer without modifying the data or the media upon
which it is being transferred. 2) the ability of one device to connect to or
communicate with another system or component.
components: Elements or parts (of a system) which make up the whole (system).
computer program: A set of instructions written for a computer that enable it
to achieve a desired result.
computer system: A combination of hardware, software, firmware, and peripheral
components assembled to process data into useful information.
configuration: The specific components in your system (such as the terminal,
printer, and disk drives) and the settings that define how your system works.
You use the SETUP program or the pop-up window to control your system