Random Access Memory. The memory used for the temporary storage of information or active documents and programs.

An individual entry in a database comprising several categories of information. For example, an address book database comprises entries- or records- each of which has a name, address and telephone number.

A Desktop feature that allows your to delete files. To delete a file completely, drag it onto the Recycle Bin from the menu.

A button on the system unit that allows users to restart a PC if it 'freezes' and refuses to respond to any commands. The Reset button should only be used as a last resort.

The degree of detail on a screen or a printed document. It is measured in dots per inch (dpi). The more dots per square inch, the greater the detail.

Read Only Memory. Memory chips used by the computer for storing basic details about the PC, such as BIOS.

A Windows feature that allows you to type in the name of the program you wish to use, or the DOS command you wish to execute. To enter a command, go to the Start menu and click on Run.