Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory
Main system board
The circuit board inside your computer containing the circuitry and components your computer needs to operate.
Math coprocessor
A device that enables the computer to process mathematical calculations faster by using floating point numbers instead of whole numbers.
Megabyte (MB)
A unit used to measure storage space in a computer’s memory or on a disk. One megabyte equals 1024KB (kilobytes).
Megahertz (MHz)
A unit used to measure oscillation frequency, such as that of a computer’s internal clock. A megahertz is one million cycles per second.
Memory
The area where your computer stores data. Memory contents are stored permanently (in ROM) or temporarily (in RAM).
Memory managerA program that controls the memory in your computer so that different applications do not use the same portion of extended memory at the same time.
8 Glossary