Application of Computers
Computers have proliferated into various areas of our lives.
For a user, computer is a tool that provides the desired information, whenever
needed. You may use computer to get information about the reservation of
tickets (railways, airplanes and cinema halls), books in a library, medical
history of a person, a place in a map, or the dictionary meaning of a word. The
information may be presented to you in the form of text, images, video clips,
etc.Some of the application areas of the computer are listed below:
1. Education: Computers
are extensively used, as a tool and as an aid, for imparting education.
Educators use computers to prepare notes and presentations of their lectures.
Computers are used to develop computer-based training packages, to provide distance
education using the e-learning software, and to conduct online examinations.
Researchers use computers to get easy access to conference and journal details
and to get global access to the research material.
2. Entertainment: Computers
have had a major impact on the entertainment industry. The user can download
and view movies, play games, chat, book tickets for cinema halls, use
multimedia for making movies, incorporate visual and sound effects using
computers, etc. The users can also listen to music, download and share music,
create music using computers, etc.
3. Sports: A
computer can be used to watch a game, view the scores, improve the game, play
games (like chess, etc.) and create games. They are also used for the purposes
of training players.
4. Advertising: Computer
is a powerful advertising media. Advertisement can be displayed on different
websites, electronic-mails can be sent and reviews of a product by different
customers can be posted. Computers are also used to create an advertisement
using the visual and the sound effects. For the advertisers, computer is a
medium via which the advertisements can be viewed globally. Web advertising has
become a significant factor in the marketing plans of almost all companies. In
fact, the business model of Google is mainly dependent on web advertising for
generating revenues.
5. Medicine: Medical
researchers and practitioners use computers to access information about the
advances in medical research or to take opinion of doctors globally. The
medical history of patients is stored in the computers. Computers are also an
integral part of various kinds of sophisticated medical equipments like
ultrasound machine, CAT scan machine, MRI scan machine, etc. Computers also
provide assistance to the medical surgeons during critical surgery operations
like laparoscopic operations, etc.
6. Science
and Engineering: Scientists
and engineers use computers for performing complex scientific calculations, for
designing and making drawings (CAD/CAM applications) and also for simulating and
testing the designs. Computers are used for storing the complex data,
performing complex calculations and for visualizing 3-dimensional objects.
Complex scientific applications like the launch of the rockets, space
exploration, etc., are not possible without the computers.
7. Government: The
government uses computers to manage its own operations and also for
e-governance. The websites of the different government departments provide
information to the users. Computers are used for the filing of income tax return,
paying taxes, online submission of water and electricity bills, for the access
of land record details, etc. The police department uses computers to search for
criminals using fingerprint matching, etc.
8. Home: Computers
have now become an integral part of home equipment. At home, people use
computers to play games, to maintain the home accounts, for communicating with
friends and relatives via Internet, for paying bills, for education and
learning, etc. Microprocessors are embedded in house hold utilities like,
washing machines, TVs, food processors, home theatres, security devices, etc.
The list of applications of computers is
so long that it is not possible to discuss all of them here. In addition to the
applications of the computers discussed above, computers have also proliferated
into areas like banks, investments, stock trading, accounting, ticket
reservation, military operations, meteorological predictions, social
networking, business organizations, police department, video conferencing,
telepresence, book publishing, web newspapers, and information sharing.
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