The disks rotate at very high speeds, and data is packed closely together. Hardware Items of computer equipment you can pick up and carry. Icon Small pictures or symbols which represent different items, such as a picture of a printer to represent a printer, or a picture of a pencil to represent a drawing program, or a picture of a letter to represent a text document Information Input device A device used to input data into a computer. An input device, often used to play games on computer Justification Top K Keyboard Key field Kilobyte A measurement of computer memory. A backing storage facility, often used for making backup copies of files.
Magnetic tape is very slow but is cheap to buy.
The process of combining a 'standard letter' with a database to produce personalised letters. A measurement of computer memory. A number of computers linked together by cable or as in more recent months by wireless connection Non-volatile Memory which will not lose the data it contains if the power is switched off. Zooming in on an object-oriented drawing will not have any less quality in resolution. A computer program which runs on a computer and controls the data flow in, around and out of the computer.