Glossary: E

This page contains glossary terms beginning with the letter E.
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Word or Term Description or Explanation
E-IDE Extended IDE - a development of IDE allowing four drives to be connected at once
EASI Extended Acorn System Inferface - expansion bus for RiscPCs and A7000s
EBCDIC Extended Binary Coded Decimal Interchange Code - the character set used on IBM Extended Capabilities Port - used by Hewlett Packard's all-in-one printer/scanners - supported by Windows95 and later, and usually found in PCs manufactured from 1998 onwardsinframes
Econet this is a means of connecting two or more computers together so that they can exchange information and share the use of peripherals such as printers - it is a type of Local Area Network (LAN) developed in the early '80s by Acorn Computers Ltd
ECP (parallel port) Extended Capabilities Port - used by Hewlett Packard's all-in-one printer/scanners - supported by Windows95 and later, and usually found in PCs manufactured from 1998 onwards
Editor (1) an application that allows you to edit the contents of a file
Editor (2) someone who is daft enough to take on the task of putting together a massive glossary!
EDO-RAM Extended Data Out Random Access Memory - a type of memory which is faster than standard DRAM and provides enhanced performance - if the motherboard can cope with EDO RAM, it can provide higher resolutions on monitors if the computer has no VRAM fitted
EEPROM Electrically Erasable Programmable Read-Only Memory - a form of non-volatile memory that remains unchanged, even when the power is switched off but which can be altered in situ by using appropriate electronic circuitry, i.e. it can be reprogrammed through software
EFF Electronic Frontier Foundation - an organisation concerned with the social and legal issues surrounding the use of computers
EISA the Extended ISA bus
EMACS Editor Macros - a text editor often used on Unix systems - not easy for beginners to use
Email electronic mail - sending messages by using any interconnection of computers, either locally or over a wide area network
Email address a unique description of the 'place' to which messages are sent if they are for a particular person or group, e.g. paul@archivemag.co.uk
Emoticon see Smileys
Encryption the manipulation of a packet's data in order to prevent any but the intended recipient reading that data
EPG Electronic Programme Guide
EPOC highly efficient, compact, pre-emptive multitasking operating system for ARM processors, developed for Psion/Symbian for their 5, 5mx and 7 series of palmtop computers - now licenced out to a number of other palm manufacturers - it is being developed for use in mobile phones/organisers and, as such, it is something of a rival to Windows CE
EPP (parallel port) Enhanced Parallel Port - an enhanced specification of Centronics and Bi-directional
EPROM Erasable Programmable Read-Only Memory - a form of non-volatile memory that remains unchanged even when the power is switched off but which can be altered by using ultraviolet radiation to erase the information and high voltages to re-program it (but see Flash ROM and EEPROM)
EPS Encapsulated PostScript - this is a type of computer-generated file containing the necessary PostScript commands to reproduce the picture - it usually includes a 'snapshot' of the picture that can be used for positioning purposes - EPS is a defined standard allowing output from one application to be used within another
Error box a special type of dialogue box that gives information to a user about the type of error that has occurred, requiring him to acknowledge that it has been read
Error correction used with some modern modems (V42) to check that data transmission does not contain errors
Ethernet a proprietary method of connecting two or more computers together to operate within a Local Area Network for information exchange and for use of common peripherals such as printers (see also Econet) - it was developed by Xerox Corporation in the late '70s
EUNet the European part of Usenet
Expansion card formerly called podules or peripheral modules - an extra circuit board fitted to your computer that will allow it to perform various extra functions which cannot be done with software alone
Ezine the Internet equivalent of a magazine - these can either be mail to your Internet account or you can access them on-line

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