Answer:
Mainframe Computer is capable of doing all the functions which are listed in question.
Explanation:
A mainframe is a very large general-purpose computer (usually costing millions of dollars) that is capable of performing very many simultaneous functions, supporting very many simultaneous users, and storing huge amounts of data. A microcomputer is the type of computer you use.
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.
End-User Software. Because it is not professional