Extended partition
An additional MS-DOS partition; you can create one primary
MS-DOS partition and one extended partition.
Extension
A suffix of up to three characters that can be added to a file
name to better identify it.
External command
An MS-DOS command stored in a program file with the
extension .COM or .EXE. MS-DOS must be able to find the
program file to execute the command. See also Internal command.
File
A group of related pieces of information called records, or entries,
stored together on a disk. Text files consist of words and
sentences. Program files consist of code and are used by
computers to interpret and carry out instructions.
Filename
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 an old one you want to reuse) so that it
can store information. Formatting divides a disk into tracks and
sectors and creates addressable locations on it.
Graphics
Lines, angles, curves, and other nonalphanumeric data.
GW-BASIC
Microsoft’s extended version of the Beginner’s All-purpose
Symbolic Instruction Code. A programming language designed to
be easy to use and understand.
Glossary 7
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