A computer-on-module (COM) is a type of single-board computer (SBC), a subtype of an embedded computer system.
It is also called System on Module (SOM) as an extension of the concept of System on Chip (SoC) and lying between a full-up computer and a microcontroller in nature.
Today's COM/SOM modules are complete computers built on a single circuit board.
The design is centered on a single microprocessor with RAM, input/output controllers...
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http://en.wikipedia.org/wiki/Computer-on-module
4/9/2009
