CHAPTER 7BIOS and CMOS

ITINERARY

Objective 7.01 Boot Process and POST

Objective 7.02 System ROM

Objective 7.03 System BIOS and CMOS Setup Utility

Image

In the seconds between the time that you press the power button and the desktop appears on your monitor, your PC goes through a series of ordered steps called the boot process. The vital components that drive the boot process are the system ROM, the system basic input/output system (BIOS), and the complementary metal-oxide semiconductor (CMOS) memory chip and setup utility. The system ROM—for read-only memory—is the special memory chip that stores the BIOS programs. System BIOS is the collective ...

Get Mike Meyers' CompTIA A+ Certification Passport, Fourth Edition (Exams 220-701 & 220-702), 4th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.