Glossary
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
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.
device driver: A program that controls communication between a specific peripheral device and the computer. The CONFIG.SYS file contains device drivers that
dialog box: A window that accepts user input to make system settings or record other information.
disk drive: The device that randomly accesses information on a disk and 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
display: A CRT, LCD, or other image producing device used to view computer output.
DOS: Disk Operating System. See operating system.
driver: A software program, generally part of the operating system, that controls a specific piece of hardware (frequently a peripheral device such as a printer or mouse).
E
execute: To interpret and execute an instruction.
F
fast infrared: An industry standard that enables cableless infrared serial data transfer at speeds of up to 4 Mbps.
floppy disk: A removable disk that stores magnetically encoded data.
TOSHIBA M50 |
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