(mobo) The maiNpriNted 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-iNperipherals such as the keyboard, text aNd graphics display, serial ports aNd {parallel ports}, {joystick}, aNd {mouse} {iNterfaces}. (2000-08-10)