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.
