A computer designed to perform calculations and different operations as fast as current technology allows and used to solve extremely complex problems.
Mainframe Computers
A high – level computer designed for the most intensive computational tasks. They are often shared by multiple users.
Minicomputers
A mid – level computer built to perform complex computations while dealing with a high – level of input and output from the users.
Microcomputers
A desktop- or notebook – size computing – device that uses a microprocessor as its central processing unit.