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J. VEIsauty:, commerce, scientific applications, education in day to day life is ample, evidence of its versatility., Başic applications/uses.of.a.computer, Entertainment or Recreation: Computer is used for playing games,, listening to music and watching movies. It is also used for making, cartoon movies, animation films and drawing pictures etc., Education:Computerisused inschools forteaching, doing mathematical, calculations and completing homework., 3. Banks:Computer is used inbanks for storinginformation about different, account holders, keeping a record of cash and providing all kinds of, information regarding any account in the bank. It is also used by ATM, (Automatic Teller Machine) of a bank which provides cash without any, bank staff., Ine wide use of computers in so many areas such as, Railway stations and Airports : Computer helps in providing, information about seat availability, booking tickets and keeping records, of all passengers. It helps in providing information about the arrival and, departure as well as timing of trains and aeroplanes., Medical Science; Computer helps in keeping records of all the patients, in a hospital and doing a number of medical tests. It helps doctors in, controlling machines in an operation theatre., 6. Business : Computers are used to type and print documents, letters etc., They help in keeping records of employees and sending e-mails etc., 7. Defence : In defence computer is used to help in building weapons,, controlling their functions, launching missiles and keeping record of, criminals. It helps in establishing communication links between the, soldiers and their commanders through satellites., 8. Designing: Computer helps in designing magazines, newspapers,, books and advertisements etc. It also helps in designing buildings,, houses etc., 9. Scientific research : Computer is used in scientific research and is handy, for all kinds of scientific research., 10. Administration : Computer is used to improve administrative services, and their efficiency., 11. Publication : Computer is used in desk-top publication.

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12. Communication: Computers are used in communication such as, e-maîl, chatting etc., Lipntations of a computer, Lack of intelligence (Programmed by human/Can't think ) : Though, computer is programmed to work efficiently, fast and accurately, but it, is programmed by human beings to do so. Without a program, computer, is nothing. A program is a set of instructions. Computer only follows, these instructions. If the instructions are not accurate the working of, computer will not be accurate., 2. Prone to virus : The computer sometimes malfunctions and results in, loss of data if some virus attacks., 3. Depends on electricity : One of the limitations also includes machine, failure in case of some hardware or software problem. The computer, sometimes results in loss of data if power fails., Functions of a computer, 1. Data collection : Data collection is a process of preparing and collecting, data to obtain information to keep on record, make decisions and pass, information on to others. Computers collect or gather data, which means, that they allow users to input data., Data storage : Data storage means that it retains digital data used for, computing at some interval of time., 2., Data processing : Data processing is a process to convert data into, information., 3., 4., Data output : It is a processed data which we get as an output., Impact of computerization, (i) Time saving, (iii)Šaving of paper, (ii) Errorless work, fiv) Unemployment/