Computer

A computer is a device which is instructed to take out some sovereign consequences of arithmetic/logical operations which is done automatically. The ability of it is to follow some general sets of operations.it is called programs. It enables computer to perform an huge wide range of tasks.

Such computers are used in very wide variety of industrial and consumer devices and some used in control system. This includes some simple purpose devices as microwave and remote controls. It also includes factory devices such as computer assisted design and industrial robots, but also it is used in general purpose devices as mobile services such as smart phone and personal computer. The Computer which has Internet, connects millions of other computers.

Since aboriginal times, simple various devices like the helpless people in doing calculations. Earlier in the Industrial Revolution, some technical devices were built to automate long tedious tasks. More complicated electrical machines did some special analog calculations in earlier 20th century. During World War II, the first digital electronic calculating machines were developed. The speed, versatility and power of computers has been increased throughly and dramatically since then.

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