Toshiba T2150CD Benutzerhandbuch

Seite 172

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EGA:

Enhanced Graphics Adapter. A video display protocol defined by the IBM

Enhanced Graphics Adapter and its associated circuitry for direct drive TTL

displays that supports 16-color/monochrome 640x350 and 16-color 640x200 and

320x200 graphics, and 16-color 640x350 and 320x350 text modes.

EIA:

Electronic Industries Association. A trade association that publishes

technical standards related to the electronics industry.

emulation:

A technique where a piece of hardware acts like another device.

erase:

See

delete.

escape:

1) A code ( ASCII code 27), signaling the computer that what follows

are commands; used with peripheral devices such as printers and modems. 2) A

means of aborting the task currently in progress.

escape guard time:

A time before and after an escape code is sent to the modem

which distinguishes between escapes that are part of the transmitted data, and

escapes that are intended as a command to the modem.

execute:

To interpret and execute instruction.

expanded memory:

Memory, in addition to the 640 kilobytes of conventional

memory managed by MS-DOS, that is mapped to a 64-kilobyte window between 640

kilobytes and 1 megabyte on the memory map. This memory is managed in

accordance with the Expanded Memory Specification standard jointly developed by

Lotus, Intel, and Microsoft called LIM-EMS.

extended memory:

Memory, in addition to the 640 kilobytes of conventional

memory managed by MS-DOS, that is mapped beyond 1 megabyte on the memory map.

file:

A collection of related information; a file can contain data, programs,

or both.

firmware:

A set of instructions built into the hardware which control and

direct a microprocessorÕs activities.

fixed disk:

See

hard disk.

floppy disk:

A small, flexible disk that stores magnetically encoded data used

on a microcomputer. Also called a diskette.

floppy disk drive (FDD):

An electro-mechanical device that reads and writes to

floppy disks.

See also

floppy disk and diskette.

format:

The process of readying a blank disk for its first use. Formatting

establishes the structure of the disk that the operating system expects before

it writes files or programs onto the disk.

full-duplex:

See

duplex.

function keys:

The keys labeled

through

F12

that tell the computer to

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