What Is the Relationship Between the Bios and Post?
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The BIOS (Basic Input/Output System) is firmware stored in a chip on your computer’s motherboard. It is the first program that runs when you turn on your computer. The BIOS performs the POST, which initializes and tests your computer’s hardware.

Is POST before or after BIOS?

The BIOS begins its POST when the CPU is reset.

Is BIOS and POST the same?

BIOS stands for “basic input output system”. POST stands for “power on self test” and is a function of the BIOS. BIOS stands for “basic input output system”. POST stands for “power on self test” and is a function of the BIOS.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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