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Mike Meyers' CompTIA A+ Certification Passport, Fourth Edition (Exams 220-701 & 220-702), 4th Edition by Mike Meyers

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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

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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 ...

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