D - data Information stored and processed by a computer .
Data can come in many forms, such as text , graphics and sounds.
Even the music on an audio CD can be referred to as data. Data is usully stored in files , which live in folders on a hard disk or floppy disk . This is the number of bits containing data in a modem file transfer. Because 8 bits make up a character, data bits are often referred to as character bits. A personal computer , Apple Macintosh or UNIX machine operating as a self-contained unit or linked to a network that is physically small enough to fit on a desk.