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.
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.
a. The uses of computer provide a tool in the Education system known as CBE (Computer Based Education).
b. CBE involves Control, Delivery and Evaluation of learning.
c. The computer education is very familiar and rapidly increasing the graph of computer students.
d. There are number of methods in which educational institutions can use computer to educate the students.
e. It is used for preparing a database about student performance and analyses are carried out.
1. Entertainment:
Computers have 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.
2. 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.
3. 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.
4. 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 equipment 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.
5. 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.
6. 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.
7. 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 household utilities like, washing machines, TVs, food processors, home theatres, security devices, etc.
8. Military:
Computers are largely used in defense. Modern tanks, missiles, weapons, etc., employ computerized control systems. Some military areas where a computer has been used are:
- Missile Control
- Military Communication
- Military operation and planning
- Smart Weapons
9. Banking:
Today Banking is almost totally dependent on computer.
Banks provide following facilities:
- Banks on-line accounting facility, which includes current balances deposits, overdrafts, interest charges, shares and trustee records.
- ATM machines are making it even easier for customers to deal with banks.
10. Business:
The computer's characteristic as high speed of calculation, diligence accuracy, reliability, or versatility has made it an integrated part in all business organizations.
Computer is used in business organization for:
- Payroll Calculations
- Budgeting
- Sales Analysis
- Financial forecasting
- Managing employee's database
- Maintenance of stocks, etc...
11. Communication:
Communication means to convey a message, an idea, a picture or speech that is received and understood clearly and correctly by the person for whom it is meant. Some main areas in this category are:
- Chatting
- Usenet
- FTP
- Telnet
- Videoconferencing
