Computer is one of the greatest gift of science to the mankind. It has brought a great change in our life. Now we can do calculations with great speed and accuracy with help of computers. It can process, manipulate, reproduce and communicate data at a very high speed.
The data could be text, pictures, numbers, photographs and other types of information, which are used by us in our day to day routine life. Computer is widely used in different spheres of life. It is being used for communication, online shopping, Air and Train Ticket Booking, Banking, Stock Market Trading, movie ticket booking, storage of pictures and videos and many more. We cannot imagine life without computer.
Computer is an electronic device used for storing and analyzing information fed into it, for calculating, or for controlling machinery automatically. It is a very flexible gadget, which can be used in a wide variety of ways, depending on the requirement and available resources. Micro- processors on small chips control various home appliances. They do automatic fine tuning and colour regulating on television sets and other household gadgets. In offices, computer is used to maintain records, files, prepare payrolls apart from performing various other functions. In hospital, computer is used to diagnose diseases. It helps in carrying out surgeries.
Computer is rendering valuable service to the radars, missiles, rocket launching, automatic flights etc. We have pilotless aeroplanes which are controlled by computers from the ground stations. Airlines and railways are now offering instant information on bookings with the help of computers. Computers help big business houses in carrying out their up-to-date business. Computers are widely used to solve climatic, industrial, commercial, financial and other complicated problems. In advanced countries, computers are used to regulate and control traffic.
Computer is not blessing in all. It has caused to create many... [continues]
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