GLOSSARY OF TERMS

Machine Code:: The internal language of a computer.
Macro:: A user-defined set of instructions used to perform repetitive functions over and over again by using one keystroke.
Megabyte:: One million bytes.
Memory:: The working and temporary storage area inside a computer. There are three types of computer memory: ROM (Read-Only Memory), RAM (Random Access Memory), and Perpetual.
Menu:: A list of program options displayed on a monitor for user selection. Employed as an alternative to direct keyboard input, items are selected with a pointer device or via the Cursor and Enter keys.
MFM:: Modified Frequency Modulation. An older hard drive type.
Modem:: MOdulator/DEModulator. An input and output device that transmits information via a phone line to other computers.
Monitor:: A television-like screen that displays information and graphics.
Motherboard:: The main circuit board of a computer.
Mouse:: A hand-size input device derived from the trackball Used mainly for graphics, it enters positional data into a computer.
MS-DOS:: Microsoft Disk Operating System. A computer operating system that comes alone or as part of most operating systems, or emulated by many systems.
Multi-User Software:: Software that allows one or more users to simultaneously access and process data.