NEC POWERMATE VP Manual page 248

F
H
I
Glossary-4
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.
hardware
The electrical and mechanical parts from which a com-
puter is made.
hertz
(Hz) A unit of frequency equal to one cycle per second.
input/output
(I/O) The process of transferring data between the com-
puter and external devices.