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Glossary main board

Definition of main board

main board
1.  The circuit board containing the EPROM, LSI, etc. It controls many actions of the copier, fax or printer, including speed dial memory, print head activation, etc. Also known as CPU, control board, microprocessor, or microcomputer.
More Information:
A motherboard is the central printed circuit board (PCB) in some complex electronic systems, such as modern personal computers. The motherboard is sometimes alternatively known as the mainboard, system board, or (on Apple computers) the logic board. It is also sometimes casually shortened to mobo.