It looks like an audio CD.ĬPU - Central Processing Unit. You use it to view or browse the Internet.īug - a (small) defect or fault in a programĬache - a kind of memory used to make a computer work fasterĬD-ROM - a disk for storing computer information. Instructions for startup are given to the computer from the boot disk, which is usually the hard disk.īrowser, to browse - A browser is a program like Firefox or Internet Explorer. For simplicity, a PC uses bits in groups of 8 called bytes (8 bits = 1 byte).īluetooth - a way of communicating wirelessly over short distances between electronic devices (for example computer and mobile telephone)īoot, boot up, boot disk - You boot (or boot up) your computer when you switch it on and wait while it prepares itself. ![]() A backup is made in case the hard disk file(s) are erased or damaged.īit, bytes - a bit is the smallest piece of information that computers use. ![]() ![]() Anti-virus software - a program that finds and removes viruses from a computerĪpp - a self-contained program or piece of software an application, especially when downloadable to a mobile deviceĪpplication - a self-contained program or piece of softwareīackup - a copy of files from a computer's hard disk, usually made on some external medium such as CD-ROM or flash drive.
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