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components: Elements or parts (of a system) which make up the whole (system).
computer program: A set of instruc- tions 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 compo- nents in your system (such as the terminal, printer, and disk drives) and the settings that define how your system works. You use the HW Setup program to control your system configuration.
control keys: A key or sequence of keys you enter from the keyboard to initiate a particular function within a program.
controller:
CPS: Characters Per Second. Typi- cally used to indicate the transmission speed of a printer.
CPU: Central Processing Unit. The portion of the computer that interprets and executes instructions.
CRT: Cathode Ray Tube. A vacuum tube in which beams projected on a fluorescent
cursor: A small, blinking rectangle or line that indicates the current position on the display screen.
D
data: Information that is factual, measurable or statistical that a computer can process, store, or retrieve.
data bits: A data communications parameter controlling the number of bits (binary digits) used to make up a byte. If data bits = 7 the computer can generate 128 unique characters. If data bits = 8 the computer can generate 256 unique characters.
DC: Direct Current. Electric current that flows in one direction. This type of power is usually supplied by batteries.
default: The parameter value automatically selected by the system when you or the program do not provide instructions. Also called a preset value.
delete: To remove data from a disk or other data storage device. Synony- mous with erase.
LOSSARYG
