Song Xinrong, 10.30 Computer English

BLOS (Basic Input Output System)

install install
briefly temporarily, briefly
boot start
remarkable unusual
pc personal computer
Blos software required to perform a number of different characters, but the most important task is to load the operating system
Blos software requires many different people to perform , but the most important task is to load the operating system

Start Process
1. The computer is powered
2.blos starts operating
parameters 3.blos cmos memory read, select the boot device
4. (MBR master boot record read the contents of the first sector from the boot device, 512 bytes money information to guide 446, the partition information 64, the last two bits as the standard)
5. start operating system partition information according to the read boot looder with its load module
6. The operator then asked blos configuration information has been obtained, for each the device will check its device driver exists if there is no system, the user is required to install the driver, once you have all of the device drivers, they will be transferred to the operating system kernel, and show related forms, the process needs to wear , or Gul and start the login program on each terminal

 

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Origin www.cnblogs.com/songxinrong/p/11768346.html