The correct answer is B.UPS
A UPS or Uninterruptable Power supply makes
sure that you have backup in case there is a power outage in your area. It
provides ample time for you to save all files before shut down.
A microprocessor can directly process machine code but most programmers almost never write in it.
C. Machine code
Put the mouse at the top of the black part and click and hold down, and then drag it down to the bottom. And don't feel embarrassed to ask somebody lol
Do You mean x= x / d ?....because there is no " \ " in math operations