This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster.Ī broad range of industrial and consumer products use computers as control systems.

A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. These programs enable computers to perform a wide range of tasks. Modern digital electronic computers can perform generic sets of operations known as programs. Middle row: early vacuum tube computer ( ENIAC), supercomputer (IBM Summit)īottom row: video game console (Nintendo GameCube), smartphone ( LYF Water 2)Ī computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Top row: automatic mechanical calculator (1820) ( difference engine), first-generation computer ( Colossus computer) Computers and computing devices from different eras.

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