ITE Chapter 3.1/3.2

Along with POST, BIOS also identifies:

What if a power supply don't have a switch

Is UPS (Uninterruptible power supply) a power protection device

Is there a small switch called a voltage selector switch on the back of some power supllies?

what is the maximum voltage for a power supply

choose 4 ac power fluctations that can cause dataloss

Not all new computers come with UEFI, which provides additional features and addresses security issues with legacy BIOS.

Is a black out complete loss of ac power

Most computers today dont run a Unified Extendible Firmware Interface (UEFI)

What does CMOS stand for?

When a computer boots, the BIOS software reads the configured settings stored in CMOS to determine how to config hardwar

BIOS manufacturers use different codes to indicate different hardware problems.

When a computer is booted, the BIOS performs a POST hardware check.

The BIOS settings are retained by CMOS using a battery.

Is it important that your voltage is accurate and steady for the operation of your computer?

What are the four basics units of electricity that a computer technican must know

Can you use devices to protect your data and computer equipment against power fluctations?