motherboard

hardware (mobo) The main printed circuit board in an

electronic device, particularly a computer, which may contain

sockets that accept additional boards ("daughter-boards").

In a personal computer, the motherboard contains the bus,

the microprocessor, and integrated circuits used for

controlling any built-in peripherals such as the keyboard,

text and graphics display, serial ports and parallelports, joystick, and mouse interfaces.

(2000-08-10)