Toshiba 8000 series, User Manual

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Part III: Appendixes
Glossary
244
enable: To turn on a computer option.
erase: See delete .
error-correcting code: Code designed for transmission of electronic data,
that encodes data in such a way that transmission errors may be
detected and corrected by examination of the encoded data on the
receiving end. Error-correcting code is used in most modems and in
some RAM. In the latter case, circuitry is used that generates
checksums to correct errors greater than one bit.
escape: 1) To cancel the task currently in progress. 2) A code (ASCII
code 27, generated by the ESC key) telling the computer that what
follows are commands, not data. Used with peripheral devices such
as printers and modems.
execute: 1) To run a program or macro. 2) To interpret and carry out an
instruction in a computer program.
executable file: A computer program that is ready to run. Application
programs and batch files are examples of executable files. Names of
executable files usually end with a .BAT, .COM or .EXE extension.
expanded memory: Memory that occupies part of the area between 640
KB (the end of base memory) and 1 MB. This memory is used
according to the standard developed jointly by Lotus, Intel, and
Microsoft (LIM), known as the Expanded Memory Specification
(EMS). The abbreviation LIM-EMS refers to this standard.
extended memory: Memory beyond 1MB. Windows 95 and NT, OS/2
and some MS-DOS programs use extended memory.
extension: See filename extension .
external device: Any device connected to a port on your computer.
Examples of external devices are printers, tape backup units, and
external modems.
F
file: A collection of related information, saved on disk with a unique
name (such as the information required for a program or document).
file allocation table (FAT): The section of a disk that keeps track of the
location of files stored on the disk.