(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 {parallel ports}, {joystick}, and {mouse} {interfaces}. (2000-08-10)
