Epson ActionDesk 4000 User Manual page 147

Read/write head
The physical device inside a disk or tape drive that reads data
from and writes data to the magnetic surface of the disk or tape.
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
stored in RAM and reloads your operating system.
ROM
Read Only Memory. Memory that can only be read and cannot
be modified. ROM retains its contents even when you turn off
the computer by using power from a backup battery.
Roof directory
The main directory in a hierarchical disk directory structure.
All other directories are subdirectories of the root directory.
RS-232C
A standard type of serial communication. You can connect an
RS-232C device to either of the computer's RS-232C serial ports.
Resetting erases all data
Ctrl Alt Del.
Glossary 7