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The computer is an electronic machine for the processing of the data. This term comes from the latin ordinare ("put in order").
A computer is formed by a set of integrated circuits and other related components, that allow to perform a variety of sequences or routines of instructions by the user. These sequences are systematized on the basis of a wide variety of practical applications and determined, in a process known as programming.
So he walks / runs, the computer needs of computer programs (software) that provide specific data necessary for the processing of the information. After obtaining the desired information, it can be used internment or transferred to another computer or electronic device.
Although technology has evolved since the appearance of the first computers in the 1940s, most still respect the architecture (or model) Eckert-Mauchly, proposed by John von Neumann and created by John Presper Eckert and John William Mauchly.
This architecture designs four main sections in a computer: the arithmetic and logic unit Arithmetic Logic Unit (LAU), control unit, the memory (a sequence of numbered bins where each is a unit of information known as bit or binary digit) and the input-output devices. All these parts are connected by a group of cables or bus.
More complex electronic circuits are those included in the chipsets of modern microprocessors, which contain a sizeable UAL. Each microprocessor can have multiple nuclei, and these, in turn, can have multiple execution units (each having several UAL).