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What is Computer

By : ithub

2016-01-05 07:23:30

What is Computer

Hi friends, let's talk about "What is Computer" ?.

We knows very well that computer is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. Most histories of the modern.

The first digital computer and what most people think of as a computer was called the ENIAC, built during World War II (1943-1946). Early computers like the ENIAC used vacuum tubes and were large (sometimes room size) and only found in businesses, Universities, or governments. Later, computers began utilizing transistors as well as smaller and cheaper parts that allowed the common person to own a computer.

First general-purpose computing device
Charles Babbage, He is an English mechanical engineer and polymath who originated the concept of a programmable computer. We know him as "father of the computer". He conceptualized and invented the first mechanical computer in the early 19th century. After working on his revolutionary difference engine, designed to aid in navigational calculations, in 1833 he realized that a much more general design, an Analytical Engine, was possible. The input of programs and data was to be provided to the machine via punched cards, a method being used at the time to direct mechanical looms such as the Jacquard loom. For output, the machine would have a printer, a curve plotter and a bell. The machine would also be able to punch numbers onto cards to be read in later. The Engine incorporated an arithmetic logic unit, control flow in the form of conditional branching and loops, and integrated memory, making it the first design for a general-purpose computer that could be described in modern terms as Turing-complete.

As the 21st century looms ahead, it is clear to see that it has advancements that humanity may never have dreamed of and one of these shining developments is the well-recognized computer. It is not a simple machine. It is like a very modern and highly complex calculator. It can do all the functions at a high speed. A computer can therefore be called a calculator with a twist for not only does it perform fast calculations, but it also has other special characteristics. The computer has thoroughly changed the way we witness things, with its special auto correcting tools, which work with all languages, all logic and all subjects.



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