Application of Computers

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 Some of the application areas of the computer are listed bellow:

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.
• The computer provides a tool in the education system known as CBE (computer Based Education).
• 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. 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.
• Computer also used to create an advertisement using the visual and the sound effects.
• Web advertising has become a significant factor in the marketing plans of almost all companies.

4. Healthcare:

Medical researchers and practitioners use computers to access information about the advances in medical research or to take opinion of doctors globally.

• Diagnostic System − Computers are used to collect data and identify the cause of illness.

• Lab-diagnostic System − All tests can be done and the reports are prepared by computer.
• Patient Monitoring System − These are used to check the patient's signs for abnormality such as in Cardiac Arrest, ECG, etc.
• Pharma Information System − Computer is used to check drug labels, expiry dates, harmful side effects, etc

• Surgery − Nowadays, computers are also used in performing surgery.

5. Scientists and engineers

• Scientists and engineers use computers for performing complex scientific calculations, for designing and making drawings (CAD/CMD 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 computer.

6. Business:

A computer has high speed of calculation, diligence, accuracy, reliability, or versatility which has made it an integrated part in all business organizations.

• Computers are totally integrated into business. The main objective of business is transaction processing, which involves transactions with suppliers, employees or customers.

• Computers can make these transactions easy and accurate. People can analyze investments, sales, expenses, markets and other aspects of business using computers.

• Computer is used in business organizations for :

1. Payroll calculations
2. Budgeting
3. Sales analysis
4. Financial forecasting
5. Managing employee database
6. Maintenance of stocks, etc.

7. Banking :

In the banking sector, computers are used to store details of customers and conduct transactions, such as withdrawal and deposit of money through ATMs. Banks have reduced manual errors and expenses to a great extent through extensive use of computers.

8. Military

Computers are largely used in defense. Modern tanks, missiles, weapons, etc. Military also employs computerized control systems. Some military areas where a computer has been used are :

• Missile Control
• Military Communication
• Military Operation and Planning
• Smart Weapons

9. Communication :

Communication is a way 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 :

• E-mail
• Chatting
• Usenet
• FTP
• Telnet
• Video-conferencing

10. Government :

Computers play an important role in government services. Some major fields in this category are :

• Budgets
• Sales tax department
• Income tax department
• Computation of male/female ratio
• Computerization of voters lists
• Computerization of PAN card
• Weather forecasting

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