Glossary
E
echo: To send back a reflection of the transmitted data to the sending device. You can display the information on the screen, or output it to the printer, or both. When a computer receives back data it transmitted to a CRT (or other peripheral device) and then retransmits the data to printer, the printer is said to echo the CRT.
EGA: Enhanced Graphics Adaptor. A video display protocol defined by the IBM Enhanced Graphics Adaptor and its associated circuitry for direct drive TTL displays that supports
erase: See delete.
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.
escape: 1) A code (ASCII code 27), signalling 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.
execute: To interpret and execute an instruction.
Extended Capability Port: An industry standard that provides a data buffer, switchable forward and reverse data transmission, and run length encoding (RLE) support.
F
fast infrared: An industry standard that enables cableless infrared serial data transfer at speeds of up to 4 Mbps.
file: A collection of related information; a file can contain data, programs, or both.
firmware: A set of instructions built into the hardware which controls and directs a microprocessor’s activities.
fixed disk: See hard disk.
floppy disk drive (FDD): An electromechanical device that reads and writes to floppy disks. See also diskette.
Satellite A30 Series | 6 |
