What is a UPS and why do you need one?

A UPS (Uninterruptible power supply) is an incredibly simple but important device that no computer should be without. It’s a battery that plugs into the wall. You then plug devices into the battery and use that to power them. Now you may be asking, “why wouldn’t I just plug my computer or monitor directly into the wall?” and that’s a good question. Computers have many parts that are sensitive to fluctuations in electricity. Most of the time the current coming into your house or office is pretty consistent but we...