Computers have become very important in today’s world for they are electronic extensions of human brain.
Today the computers are increasingly used in many fields with applications like E-com, Internet Surfing, E-mail, Voice mail, Multimedia, CAD, CAM and business applications to designing trains and airships to medical diagnoses.
Music and modern art are today composed and designed on computer. The most common applications in which computers are helpful are regarding services at railway stations, airport, banks, schools, and firms. Computers in these places are interlinked by satellite channels.
Computers are also used in the field of science where a large amount of information has to be processed and complex machines have to be designed. Besides using computers, an object can be viewed in three dimensional depths and its dimensions can also be changed to suit any number of applications. Computers also have useful application in the medical profession as very intricate operations of the eye and brain have become possible due to computers which allow the laser beam to work accurately.
Moreover, today computers come in handy in tackling the law and order in many countries like U.S. U.K. etc. The detailed particulars of each citizen of a town are recorded in a computer which is itself linked to the national network through a satellite and any police station can get information and verify the statistics regarding a suspect by just clicking on to a website.
So, a computer is a helpful machine which helps human beings a lot.