Answer:
A document file format is a text or binary file format for storing documents on a storage media, especially for use by computers. There currently exist a multitude of incompatible document file formats.
Explanation:
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.