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 "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 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 digital electronic 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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