The computer facilities history is the report about constant disk that the computer techniques are faster, more cheaply, and store more than the data.

Before occurrence the general computer purpose, the majority of calculations were spent by people. The means helping people calculation usually are called as calculators. The calculator continues to develop, but computers add the major element of the conditional answer, allowing automation and numerical calculations and as a whole, automation of manipulations of problems much by a symbol. The computer technology has undergone radical changes, every decade since 1940.

Computer facilities became a platform for other purposes besides calculations, such as automation, communication, management, entertainments and formation. Each field, has in turn entered own requirements to hardware which has developed in reply to these requirements.

Besides the written figures, the first grants for calculation were purely mechanical devices which demand from the operator initial values elementary arithmetic operations, and then in movement the device by means of a management of manipulation for result reception are created. As an example the slide rule where numbers are presented by points on a logarithmic scale can serve and calculation is made by installation of the cursor and the coordination of sliding scales. Figures can be presented in numerous “the same” forms where distance or other physical trait was equal to quantity. Or, figures can be presented in the form of figures, automatically manipulate by means of the mechanism. Though this approach demands more difficult mechanisms, it is made for best accuracy results.

Analogue and digital methods of the mechanical working out, manufacture of many practical computers proceeded. Electric methods of fast increase of speed and accuracy of computers, at first by granting motive power for calculation of mechanical devices, and then it is direct as means for representation of numbers. Figures can be presented by pressure and currents and manipulations from outside electronic linear amplifiers. Or, figures can be presented in the form of discrete binary or decimal figures, and electrically supervised switches and the combinatory scheme could carry out mathematical operations.

The invention electronic amplifiers have made calculating machines much faster, than mechanical or electromechanical predecessors. Amplifiers the Vacuum tube has conceded discrete transistors, and then quickly monolithic integrated schemes.

In this article the basic events in the history of computer facilities, and attempts to put them in a context are shined. For detailed chronology of events, see in article on a computing scale. History of computing article; methods intended for a pencil and a paper, with the help or without the aid of tables are considered. As all computers rely on digital devices of storage, and, as a rule, are limited in the size and in the speed of memory, history of storage of the computer data, it is connected with development of computers.

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