Answer:
a brown out is a reduction in or restriction on the availability of electrical power in a particular area.
Step-by-step explanation:
a common cause for a brownout may be thunderstorms as they could cause interference with electrical power distribution
However a brownout can be caused by a high power draw
the effect of a brownout on your computer system can be reduced by using a UPS(uninterruptible power supply) as this will help control the power coming to your system for a short amount of time so you can save your work and power down.