IT's not good to chat with people u do not know but hello how are u
Answer:
OS: Operating System
The operating system performs all the basic tasks of any computer or mobile, such as memory management, file management, input and output handling, process management, etc.
Explanation:
To protect from attackers gaining access by sitting on a certain configuration too long.
Answer:
A. numbers
Explanation:
If you are referring to excel, that is the type of data that is usually typed on a spreadsheet.