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Computers receive data, process them and issue the result as information. The computer system consists of three main sections: the CPU, main memory and peripheral devices.
The CPU - is the "brain" of the computer. Its function is to perform program instructions and coordinate activities of all departments. The main memory includes instructions and data that are being processed the processor. Peripheral devices include storage devices and input / output devices.
Storage devices provide storage of data and programs.
The nerve centre of a PC is the central processing unit or CPU. The device's built-in microprocessor that controls the functions of the computer. The device consists of three main parts: a control unit, arithmetic logic unit, registry.Bolshinstvo modern computers have internal slots rasshireniya.Moschnost and computer performance is partly determined by the speed of its microprocessor
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