Floppy disk

See Diskette.

Format

To prepare a new disk (or erase an old one) so that it can store information. Formatting a disk divides it into tracks and sectors and creates addressable locations on it.

Graphics

Lines, angles, curves, and other non-alphanumeric data.

Gray scale mode

The mapping of colors to shades of gray on the LCD screen.

GW-BASIC

Microsoft’s extended version of the BASIC programming language.

Hard disk

A sealed mass storage device you use to store data permanently. A hard disk can process data more rapidly and can store many more files than a diskette.

Hardware

Any physical component of a computer system, such as a monitor, printer, keyboard, or CPU.

Hexadecimal

A base 16 numbering system commonly used by programmers.

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