Epson 3865X Plus User Manual page 316

Disk
The collective term for diskettes and hard disks.
Disk drive
The physical device that allows the computer to read from and
write to a disk. A diskette drive has a disk slot into which you
insert a diskette. A hard disk is sealed inside a protective unit.
Diskette
A flat piece of flexible plastic coated with magnetic material
used to store data permanently.
Display adapter card
A circuit board that can be installed in one of the computer's
option slots to provide the monitor interface. The display
adapter card controls the way the monitor displays text and
graphics. Also known as Video card. (In the Equity 386SX
PLUS, a VGA display adapter is built into the system board.)
DOS
Disk Operating System. A commonly used operating system
that controls the computer's input and output functions. See
Operating system.
Double-density
A type of diskette format that allows you to store twice as much
data as the standard-density format. A 5 '/,-inch double-density
diskette can store 360KB of data. A 3 '/z-inch double-density
diskette can store 720KB of data.
Drive designator
The letter name of a disk drive, followed by a colon-for
example, C :.
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