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CPS: Characters per second. Typically used to indicate the transmission
CPU: Central processing unit. The portion of the computer that interprets
CRT: Cathode Ray Tube. A vacuum tube in which beams projected on a
cursor: A small, blinking rectangle or line that indicates the current
D
data: Information that is factual, measurable or statistical that a computer
data bits: A data communications parameter controlling the number of
DC: Direct Current. Electric current that flows in one direction. This type
default: The parameter value automatically selected by the system when
delete: To remove data from a disk or other data storage device.
device driver: A program that controls communication between a
dialog box: A window that accepts user input to make system settings or
disk drive: The device that randomly accesses information on a disk and
disk storage: Storing data on magnetic disk. Data is arranged on
diskette: A removable disk that stores magnetically encoded data used
diskette drive: An electromechanical device that reads and writes to
display: A CRT, plasma screen, LCD, or other image producing device
TOSHIBA TE2300
speed of a printer.
and executes instructions.
fluorescent screen-producing luminous spots. An example is the
television set.
position on the display screen.
can process, store, or retrieve.
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.
of power is usually supplied by batteries.
you or the program do not provide instructions. Also called a
preset value.
Synonymous with erase.
specific peripheral device and the computer. The CONFIG.SYS file
contains device drivers that MS-DOS loads when you turn the
computer on.
record other information.
copies it to the computer's memory. It also writes data from
memory to the disk. To accomplish these tasks, the unit physically
rotates the disk at high speed past a read-write head.
concentric tracks much like a phonograph record.
on a microcomputer. Also called floppy disk.
floppy disks. See also diskette.
used to view computer output.
Glossary
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