User`s guide

Power-on
diagnostics
Tests stored in a computer’s ROM that the computer runs to
check its internal circuitry, peripheral device configuration, and
operating status each time you turn it on or reset it.
Processor speed
See Operating speed.
RAM
Random Access Memory. The portion of the computer’s
memory used to run programs and store data while you work.
All data stored in RAM is erased when you turn off or reset the
computer; so you must store any data you want to keep on
disk.
Real-time clock
A clock inside the computer that keeps track of the time and
date, even when the computer is turned off, by using power
from a backup battery.
Refresh rate
The frequency with which a monitor can redraw a screen
image. The faster the refresh rate, the less the screen will flicker.
Reset
To restart a computer without turning it off. You can reset your
computer by pressing
[m
IF]
Delete
(warm reset) or the
$7
reset button (cold reset). Resetting erases all data stored in
RAM and reloads your operating system.
Glossary 11