FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

WHAT IS A COMPUTER KEYBOARD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If the electricity goes off, the ____ makes the computer work.
A
CPU
B
Display
C
UPS
D
None of the above
Explanation: 

Detailed explanation-1: -An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when incoming power is interrupted. As long as utility power is flowing, it also replenishes and maintains the energy storage.

Detailed explanation-2: -The UPS will reset itself after a power outage. At this point there will be beeping and the UPS will be in bypass mode. o Go to the back and flip the switch to “Utility” o On the front of the UPS hold the OFF button for a second until it beeps. This will shut off the beeping and the UPS.

Detailed explanation-3: -It sounds like it needs a new battery. Generally, the battery in a UPS is good for 3-4 years. If it’s older than that, make sure you use the ‘self test’ and make sure the battery is still charging. If not, replace either the battery or the UPS for continued protection in a power outage.

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