What is a Computer
What is a Computer System:: It is an electronic device which is designed to work with Information. The term computer is derived from the Latin term ‘computare’, this means to calculate or programmable machine. They cannot do anything without a Program. It represents the decimal numbers through a string of binary digits. The Word 'Computer' usually refers to the Center Processor Unit plus Internal memory. In simple words it can be defined as an electronic device Which can store, retrieve and process data .It can also perform various Arithmetic and logical operation when given proper instructions.. Modern day PC can store huge amount of data and be retrieve anytime user needs. The data stored in them are beyond human abilities It is called as a electronic machine but I really think it’s more than just a device. For all general purpose and computer functions it requires hardware. Hardware is nothing but the physical parts which is used in PC. Some of the common parts used is mentioned below.
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