Toshiba Tecra A7 User Manual page 174

CRT: Cathode Ray Tube. A vacuum tube in which beams projected on a
cursor: A small, blinking rectangle or line that indicates the current position
D
data bits: A data communications parameter controlling the number of bits
data: Information that is factual, measurable or statistical that a computer
DC: Direct Current. Electric current that flows in one direction. This type of
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 specific
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 drive: An electromechanical device that reads and writes to
diskette: A removable disk that stores magnetically encoded data used on
display: A CRT, plasma screen, LCD, or other image producing device
documentation: The set of manual and/or other instructions written for the
DOS: Disk operating system. See operating system.
driver: A software program, generally part of the operating system, that
User's Manual
fluorescent screen-producing luminous spots. An example is the
television set.
on the display screen.
(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.
can process, store, or retrieve.
power is usually supplied by batteries.
you or the program do not provide instructions. Also called a preset
value.
Synonymous with erase.
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.
floppy disks. See also diskette.
a microcomputer. Also called floppy disk.
used to view computer output.
users of a computer system or application. Computer system
documentation typically includes procedural and tutorial information
as well as system functions.
controls a specific piece of hardware (frequently a peripheral device
such as a printer or mouse).
Glossary
Glossary-6