Computers are tools used to process the data according to commands that have been formulated. Computer word originally used to describe people who perkerjaannya perform arithmetic calculations, with or without assistive devices, but the meaning of this word is then transferred to the machine itself. Origins, processing information almost exclusively related to arithmetical problems, but modern computers are used for many tasks unrelated to mathematics.
Broadly, the computer can be defined as an electronic device that consists of several components, which can work together between the components with one another to produce an information based on existing programs and data. The computer components are included: Screen Monitors, CPU, Keyboard, Mouse and Printer (as a complement). Without a computer printer can still perform his duties as a data processor, but the extent visible on the screen has not been in print form (paper).
Computers also can mean a series or group of electronic machine that consists of thousands and even millions of components that can work together, and form a working system is neat and meticulous. This system can then be used to implement a series of jobs automatically, based on the sequence of instructions or programs provided to him.
Computer hardware can also be interpreted as the physical equipment of the computer itself. The physical equipment that can be seen, held, or transferred.
