Epson ExpressStation User's Guide download pdf (Page 101)

Directory

A list of files stored in a particular area on a disk; part of a

structure for organizing files into groups. A directory listing

shows the name, location, and size of the files in the directory.

A directory can contain both files and subdirectories.

Display adapter card

A circuit board that can be installed in one of the computer’s

option slots to provide the monitor interface. A display adapter

card controls the way the monitor displays text and graphics.

Also known as

Video card.

DMA channel

Direct Memory Access channel. The pathway through which

data is transferred between main storage and I/O devices. This

transfer method requires no processor intervention.

DOS

Disk Operating System. A commonly used operating system

that controls the computer’s input and output functions. See

also Operating system.

Double-density

A type of diskette format that allows you to store twice as

much data as the standard-density format. A 5.25-inch

double-density diskette can store 360KB of data. A 3.5-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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Epson ExpressStation User's Guide Page 101