Computers power the Internet, which links billions of computers and users.Įarly computers were meant to be used only for calculations. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices such as personal computers and mobile devices such as smartphones. The term computer system may refer to a nominally complete computer that includes the hardware, operating system, software, and peripheral equipment needed and used for full operation or 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. These programs enable computers to perform a wide range of tasks. Modern digital electronic computers can perform generic sets of operations known as programs. Desktop computer (IBM ThinkCentre S50 with monitor)Ī computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically.

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