Computer??

Computer 

Computers are tools used to process the data according to procedures that have been formulated. The word computer was originally used to describe people who perkerjaannya perform arithmetic calculations, with or without the tools, but the meaning of this word is then transferred to the machine itself. Origins, processing information almost exclusively related to arithmetical problems, but modern computers are used for many tasks unrelated to mathematics. 

In that sense there are tools such as slide rules, mechanical calculators types ranging from abacus and so on, until all contemporary electronic computers. The term better suited for a broad sense as "computer" is "that process information" or "information processing systems." Over the years there have been several different meanings in the word "computer", and a few different words are now referred to as the computer. 

Said computer once commonly used to define people who perform arithmetic calculations, with or without auxiliary engine. According to the Barnhart Concise Dictionary of Etymology, the word is used in English in 1646 as the word for "people who count" then before 1897 is also used as a "mechanical calculators". During World War II, the word refers to the workers of the United States and British women who work to calculate the artillery war with the machine count. 

Charles Babbage designed one of the first calculating machine called the analytical engine. In addition, a variety of simple mechanical devices such as the slide rule also has to be said as a computer.