11) Bluetooth: A technology that allows devices (computers, phones, printers, etc. ) to communicate with each other wirelessly.
12) Blu-Ray: A new format that will deliver high-definition on DVD-sized discs.Movies and the first compatible players are expected by the end of 2005.
13) Bookmark: A way of flagging favourite websites in your web browser for later reference, much like marking a page in a book.
14) Boot: The process a PC goes through after it is switched on ? performing a quick self-test, loading Windows, and so on.
15) Boot disk: A disk containing the operating system components essential for getting a PC up and running. Usually, the boot disk is the computer's hard disk but in times of strife, a suitably-prepared floppy disk can be used to kick-start a PC.
16) Bus: In computer terminology, a bus is the data path on the motherboard that devices use to communicate with the processor.
17) Cache: A store for frequently-used data or files. Data can be accessed from a cache more quickly than from its original source. Internet Explorer uses a hard disk cache for web pages, while computer processors often have small amounts of very speedy memory as a cache.
18) CAD: Stands for Computer-Aided Design, which are special software applications that allow designers and architects to draw precise blueprints on screen, then model them in 3D to see how the design will appear in real life.
19) Capture cards: A video card that slots into a spare PCI slot in your computer and has the input and output sockets necessary for digitising video.
20) CD changer: A device that can hold several CDs and switch between them as and when required.
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