motherboard

moth.er.board

n.Computer Science （名词）【计算机科学】
The main board of a computer, usually containing the circuitry for the central processing unit, keyboard, and monitor and often having slots for accepting additional circuitry.
母板，主板：计算机的主板，通常包括中央处理器电路元件、键盘电路元件和显示器电路元件，并且还包括接受其他电路元件的插槽