Types of computers

 what is a mainframe computer?  Mainframe Computer is a powerful computer having multiple user interfaces. Mainframes are a type of computers, which are made for throughput as fast as possible; a throughput can be defined as the rate at which the data is processed . These are some reasons why they are used. used for large information processing jobs. used by government institutions and large companies for tasks. it keeps data private as it stores it in a way only certain people can access it.