Computer
The computer is one of the most amazing inventions of man of this let century. In, this world, computer plays the vital role. It has covered almost all parts of human life. The credit of the invention of computer goes to Charges Babbage. So, he 18 called as the father of computer.
Computér is an electronic device which receives input data, process them and gives meaningful output as r a result. It even stores a lot of mformation which can be u processed and analyzed through computer for many purposes.
On the basis of size, computers are categorized into four classes,they are super computer, mainframe computer, mini computer, microcomputer.
Computer is used widely because of its speed, accuracy and precision. It is used in industries for calculating income, expenditure and value of products Complicated calculations can be carried out accurately in a few seconds. It can process information very fast and more accurately.So it is widely used in schools, banks, railways,hospitals, post office, etc. It is used in educational institutions for result and calculations. Banks keep their accounts and secrets in computers ReservatiOns for travelling are made by computer . Doctors use computer in complicated surgery. Engineers use it to design and analyze the complex structure The use of Internet has been possible because of computer, network It has narrowed down the entire world It has been able to give a lot of information about different aspects from nook and corner of the World Therefore, computer is used in every aspects of human life.
The use of computer has some drawbacks. It has displaced many people from their job as it does the work of many people It has creted the problem of unemployment It also creates health problems to computer users. Computer users can have the problem of eyesight and body paining.It is essential to be very much careful of the problems created by computers.
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