M

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Mainframe- A computer that performs many tasks and is used by many people

Matrix- a network of circuit elements

Media- Materials that hold data in any form, including paper, floppy and optical disks, magnetic tape, wire, cable and fiber

Megabyte (MB)- A data storage unit, which holds 1,048,576 bytes of information

Megahertz (MHz)- Unit used to describe the total speed that the computer processor operates on

Mega pixel- Million pixels, which refers to the resolution of graphics devices

Microscopic- Extremely small

Molecule- Group of atoms held together by chemical bonds; the typical unit manipulated by nanotechnology

Molecular- Being made up of molecules

MPEG (Moving Pictures Expert Group)- a compression method of compressing media content for the web such as videos and music