Mainframe :

 Mainframe is the computer system used to store and process huge business data and for data security.

 Features of mainframe:
1. It allows to store huge amount of data
2.It stores a very high processing speed of over 80 MIPS any huge data
3.It provides data security with no virus threat.
4. It is highly available(99.999%)
5. It is highly scalable(over 2500 users can simultaneously access a single M/S