Computer
is wonderful scientific invention. Charles Babez offered a primary concept of
computer. On the basis of his concept the first automatic electronic computer
was invented in 1946. And so he is called the father of computer.
It is such an
electronic machine which gives decision very swiftly by receiving masses of
data and analyzing them automatically. In accordance with the act and
activities computer can be divided into three classes. They are analogue,
digital and hybrid computer.
According to form and formation computer can be
classified into four classes. They are Super Computer, Mainframe computer,
Minicomputer and Microcomputer. Micro computer is also called PC (Personal
Computer). Computer has some specific parts. These are Input device, CPU
(central processing unit) and Output device. However, computer is of great use
to us. It is used in measuring daily routine work, trade and commerce,
diagnosing diseases, entertainment, games and sports, transport, educational
sector, researching space and what not. It has done great wonders in inventing
e-mail, internet and robot. Besides, its utility in controlling population,
preparing budget, analyzing natural calamity is very great. But computer is not
of unmixed blessing. For its wide use unemployment problem is getting severe.
It also causes various diseases to the users. Its ray is very harmful to them.
By using computer, the users may loose eye-sight. Nevertheless, present lives
cannot be led without computer. Truly speaking, modern civilization is
dependent on computer to a great extent.
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