A query is a request for specific data from a database.
You should avoid deleting the unknown files to store your personal files and folders because if you delete that files it may be critical position with computer.
Answer:
A fax machine is used to send documents over a phone network.
Explanation:
The transmission that is sent is called "Faxes"
The easiest way to understand this is by having one person print a document at someone else's house. It is also a live time like a telephone, or like a text message.
The class clock type was designed to implement the time of day in a program. Certain applications, and additions to hours, minutes, and seconds, might require you to start at the time zone.