Personal Computer User Manual

Fixed disk
See Hard disk.
Format
To prepare a new disk (or an old one you want to reuse) so that
it can store information. Formatting divides a disk into tracks
and sectors and creates addressable locations on it.
Graphics
Lines, angles, curves, and other nonalphanumeric data.
Hard disk
The enclosed unit used to store data permanently. Unlike a
diskette, it is fixed in place. It can process data more rapidly and
store many more files than a diskette. Also called fixed disk.
Hardware
Any physical component of a computer system, such as a
monitor, printer, keyboard, or CPU.
Hexadecimal
A base-16 numbering system frequently used by programmers.
Any decimal number between 0 and 255 can be represented by
a two-digit hexadecimal number.
High-density
A type of format that allows you to store more data than
normal. A 3 ‘/z-inch high-density diskette can store 1.44 MB of
data. A 5 l/4-inch high-d
ensity diskette can store 1.2 MB of
data.
Input/output (I/O) port
See Port.
10 Glossary