Minicomputers
Minicomputers are most powerful than microcomputers in terms of multiples user environments.In other words, a minicomputer can be used by many operators simultaneously.
Many businesses and other organizations use minicomputers for their information processing requirements.
The most powerful minicomputers are called super minicomputers.
Mainframe Computers
Mainframe computers are large computer systems that can handled hundreds of users, store large amounts of data, and process transactions at a high speed.Mainframe computers use a very sophisticated computer operating systems to manage and control the whole system.
Mainframes usually require a specialized environment including air conditioning and raised flooring at allows computer cables to be installed underneath.
The price ranges for mainframes from several hundred thousands to several million dollars.