BIOS

n.（名詞）
The set of routines stored in read-only memory that enable a computer to start the operating system and to communicate with the various devices in the system, such as disk drives, keyboard, monitor, printer, and communications ports.
基本輸入輸出系統(tǒng)：貯存于只讀存儲器中的一套例程，能令計算機啟動操作系統(tǒng)以及連接系統(tǒng)內(nèi)各種設(shè)備（如磁盤驅(qū)動器、鍵盤、顯示器、打印機和通訊端口）

來源：
b(asic) i(nput/)o(utput) s(ystem)
b(asic) i(nput/)o(utput) s(ystem)