I'm pretty sure it's a. a distributed database.
I could be wrong though, someone fact check me.
i think its the first sentence: Mobile devices have become the main source of communication for many people around the world
if im wrong im dum ;-;
Ash is the answer. Hope this helps
The technological tools that can be considered important for storing critical files are battery backup systems and drives. These devices can be used to store data and supply energy.
<h3>Battery backup systems</h3>
A home battery backup system is a device used to keep the electrical system working in the event when the electrical source goes down.
In computation, there are three major classes of batteries systems: Lead-Acid, Nickel-Cadmium, and Lithium-Ion.
An uninterruptible power supply (UPS) can be considered as a battery backup supply capable of charging when the power is on.
Learn more about battery backup systems here:
brainly.com/question/7125266
