Glossary-3
CONFIG.SYS
A text file that tells the computer where in memory to load the operating system, what
device drivers to install, and what memory management features to activate.
conventional RAM
The first megabyte of RAM in the system which contains 640 KB of base memory and 384
KB of reserved memory.
cursor
A movable image on the display screen that indicates where the next entered data appears.
diskette
A thin flexible platter coated with a magnetic material for storing information.
diskette drive
A magnetic drive that writes on and retrieves data from a diskette.
expansion option
Add-on hardware that expands system performance and versatility.
expansion slot
Location inside the system unit for connecting an optional printed circuit board.
extended RAM
The area of RAM above the first megabyte of memory in the system available for enhancing
system performance.
formatting
The process of preparing a disk or diskette to accept data.
function
key
The set of keys on the keyboard (usually F1 through F12) that let you get help and error
message information or quickly select frequently used commands.
hard
disk
A rigid magnetic storage device that provides fast access to stored data.
