一小段程序。每次开机就自动地读入内存，然后，由它把操作系统的其余部分读入内存。可参阅初始化程序的装入。

Boot. A small routine, read into main memory when the computer is turned on, which reads the rest of the operating system into memory. See also initial program load.

youdao

一小段程序。每次开机就自动地读入内存，然后，由它把操作系统的其余部分读入内存。可参阅初始化程序的装入。

Boot. A small routine, read into main memory when the computer is turned on, which reads the rest of the operating system into memory. See also initial program load.

youdao