COMPUTER FUNDAMENTALS

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COMPUTER HARDWARE

MOTHERBOARDS AND EXPANSION CARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
o fix a problem you are having with your PC, you have determined that you must flash the computer’s BIOS.Which of the following would MOST likely need to be completed prior to flashing the BIOS? (Select TWO).
A
Properly identify the motherboard.
B
Download the flash utility or tool from the manufacturer’s website.
C
Create a backup of the hard disk in the event of a failure.
D
Test the memory to ensure that it is functioning properly.
E
Locate the flash utility or tool that was shipped with your PC.
Explanation: 

Detailed explanation-1: -Before performing the upgrade, if possible, which of the following is the BEST action to take? Change the motherboard battery.

Detailed explanation-2: -What is Unified Extensible Firmware Interface (UEFI)? Unified Extensible Firmware Interface (UEFI) is a specification for a software program that connects a computer’s firmware to its operating system (OS). UEFI is expected to eventually replace basic input/output system (BIOS) but is compatible with it.

Detailed explanation-3: -UEFI provides faster boot time. UEFI has discrete driver support, while BIOS has drive support stored in its ROM, so updating BIOS firmware is a bit difficult. UEFI offers security like “Secure Boot", which prevents the computer from booting from unauthorized/unsigned applications.

Detailed explanation-4: -Which of the following components is necessary to keep the real-time clock running? The CMOS battery supplies power to the CMOS to keep the real-time clock running. Formerly, the CMOS battery was needed to save system settings when the computer was powered off.

There is 1 question to complete.
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