![](/images/backgrounds/113039/113039-337321x1.png)
Memory
The area where your computer stores data. Memory contents can be permanent (ROM) or temporary (RAM).
Memory module
A small circuit board with an edge connector that contains memory chips. You can add 256KB or 1MB memory modules to the main system board inside the computer to expand the computer’s memory. A memory module is commonly called a SIMM (single inline memory module).
Memory on card
The additional memory on an option card installed in the computer.
MGA
Microprocessor
A small version of a CPU contained on one semiconductor chip.
Modem
A device that allows a computer to transmit signals over telephone lines so it can send and receive data. Modem stands for MOdulator/DEModulator.
Monitor
The piece of hardware that contains the screen and displays information.
12 Glossary