The Computers: (Systems Computers )

A collection of computer hardware and operating systems components designed to work together. Often referred to as a "platform". Examples of common Computer Systems include the Intel PC, Macintosh, NeXT, Sun workstation, IBM AS-300, and HP 9000. Systems Computers.

In the 19th century the French physicist Nicolas Léonard Sadi Carnot, who studied thermodynamics, pioneered the development of the concept of a "system" in the natural sciences. (wikipedia)