Epson Equity LT, User Manual

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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 permanently
fixed inside the main unit.
Diskette
A flat piece of flexible plastic coated with magnetic material
and used to store data permanently. Also called floppy
disk.
DOS
The Disk 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.
Extension
A suffix of up to three characters that can be added to a
file name to better identify it.
File
A group of related pieces of information called records, or
entries, stored together on disk. Text files consist of words
and sentences. Program files consist of code and are used
by computers to interpret and carry out instructions.
File name
A name of up to eight characters that MS-DOS uses to
identify a file.
Floppy’ disk
See Diskette.
Format
To prepare a new disk (or erase an old one) so that it can
store information. Formatting a disk divides it into tracks
and sectors and creates addressable locations on it.
Graphics
Lines, angles, curves, and other nonalphanumeric data.
F-4
Glossary