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Jargon Buster


  1. EAX



    A technology used to apply audio effects in some video games.


  2. Ebook



    A book stored as a digital file that can be read on a computer or dedicated ebook reader.


  3. ECDL



    European Computer Driving Licence. A computing qualification.


  4. Ecommerce



    Selling or making financial transactions via the internet.


  5. Economy mode



    A printer setting designed to use less ink than normal.


  6. EIDE



    Enhanced IDE. A connection used by older hard disks and CD-Rom drives. Also known as ATA.


  7. Element



    A piece of glass in a camera lens.


  8. Elspa



    A body that represents European video game publishers.


  9. Email



    A system for sending text messages from computer to computer via the internet.


  10. Emulate



    To program one computer to act like another. For example, PCs can be used to emulate old arcade video games.


  11. Emulator



    A program that makes one computer act like another, allowing it to run that computer’s software.


  12. Encoder



    A piece of software that converts media files to a new format, such as converting WAV audio files to MP3.


  13. Encrypt



    To scramble data so it can only be read by those with the key or code.


  14. Encryption



    The science of scrambling data so it can only be read with the required key or code.


  15. EPG



    Electronic Programme Guide. An on-screen display that shows the current and scheduled programmes on each TV channel.


  16. Equaliser



    Like the tone controls on a hi-fi, an equaliser changes the tone of music produced by a computer or portable player.


  17. Ergonomics



    A term used to describe efficiency and health for people while in their working environment.


  18. eSata



    External Sata. A relatively rare type of connection for external hard disks.


  19. Ethernet



    A standard used for almost all wired computer networks.


  20. EULA



    End User Licence Agreement. A licence agreement that must be accepted before software can be used.


  21. EV Compensation



    Exposure Compensation. Cameras automatically try to pick the correct exposure, but sometimes you will need to override it with this control.


  22. EXE



    A program file designed to run in Windows. Named after the file extension .exe.


  23. Executable file



    A program file designed to run in Windows. Executable files have the file extension .exe.


  24. Exif



    Exchangable Image File Format. A method for storing extra information, such as the date, time and camera model, inside digital photo files.


  25. Expansion card



    A card that can be fitted inside a desktop PC to add extra functions or sockets.


  26. Expansion slot



    A slot on a computer’s motherboard designed to allow the addition of expansion cards.


  27. Explorer



    A part of Windows that allows you to browse files on the computer’s hard disk.


  28. Exposure



    The amount of light captured when taking a photograph.


  29. Express Card



    A type of expansion card that slots into a laptop computer.


  30. Extension



    The letters after the full stop in a computer file name. These denote what kind of file it is.


  31. Extract



    The process of removing files from a compressed archive, such as a ZIP file.

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