Computers are tools used to process the data according to procedures that have
been formulated. Said the computer was originally used to describe
people who perkerjaannya perform arithmetic calculations, with or without a
walker, but the word is then transferred to the machine itself. Originally,
the processing of information is almost exclusively related to arithmetical
problems, but modern computers are used for many tasks unrelated
In the sense that there are tools such as slide rules, mechanical
calculators kind of abacus and so on, until all
of the contemporary electronic computers. The term better suited to a broad
sense as "computer" is
"information processing" or "information processing systems." Over the years there
have been several different meanings in the word "computer", and several different
word is now called called a computer.
The word 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" and 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 path of
artillery warfare with the cash register.
Charles Babbage designed one of the first calculating machine called
the analytical engine. In addition, a variety of simple machine tools such as
the slide rule can also be regarded as a computer.