G
2
3
4
5
6
A
8
G 4
G l o s s a r y
do ho
DOS
An acronym for
D
isk
O
perating
S
ystem. A specialized, disk-
oriented program that provides an easy-to-use link between
the user and a computers disk drive.
DRAM
Dynamic RAM. Storage that the computer must refresh at frequent
intervals.
Driver
A series of instructions the computer follows to reformat data
for transfer to and from a particular peripheral device. The
electrical and mechanical requirements are different from one
kind of device to another, so software drivers are used to
standardize the format of data between them and the central
processor.
E - F
External option
An device attached to the outside of the system unit which
extends and enhances its operation. i.e. printer or mouse.
G - H
Hot
(i.e. a socket/port is hot.) A port is always ready to accept a
connection.
Hot Swap
Hot Swappable devices can safely be attached or removed
from the computer without turning it off. This procedure
