Modern application areas of computer

Computers have become an essential part of modern human life. Since the invention of computer have evolved in terms of increased computing power and decreased size. Due to the widespread use of computers in every sphere, life in today's world would be unimaginable without computers. They have made human lives better and happier. There are many types of computers used in different fields of works . Some of them are discussed below.

Education

The computer helps in providing a lot of facilities in the  education system. Some of them are included as :

• The computer provides a tools as Computer Based Education (CBE) , Web Based Education (WBE), tutorials CDs, etc for study purpose.
• Computer  based  education is rapidly increasing the graph of number of computer students.
• There are various methods educational institutions use a computer to educate the students such as online education, Virtual education, etc.
• Computer helps the teachers to prepare educational slides to teach students in better ways.
• Computer through open school/university, distance learning with the aid of computer can get education.

Business

A computer has high speed of calculation, diligence, accuracy, reliability or versatility which has made it an integrated part in all business organizations. Computer is used in business organizations for the following purposes.

• Payroll calculations and sale analysis.
• Budgeting and financial forecasting.
• Managing and organizing employee databases.
• Maintenance of sales, purchase, stocks, etc.
• Meeting through video conferencing.

Banking

Today, banking system is almost totally dependent on computers. There are various uses of computers in banking sectors. Some of them are listed below.

• Online accounting facility, which includes checking current balance, making deposits and overdrafts, checking interest charges, shares, and trustee records.
• ATM machines are completely making easier for customers to deal with banks.
• Online communications such as SMS system, Internet banking, ABBS (Any Branch Banking Service) etc. making faster services.
• Digital fund transfer among banks or organizations.

Marketing

These days computers are widely used in marketing sectors effectively. The uses of the computers in marketing include the following main purposes:

• Advertising: With computers, advertising professionals create art and graphics, write and revise copy , and print and disseminate advertisements with the goal of selling more products.
• Home Shopping: Home shopping has been made possible through the use of computerized catalogues that provide access to product information and permit direct entry of orders to be filled by the customers.

Insurance

Insurance companies are keeping all records up-to-date with the help of computers. Insurance companies, finance houses, and stock broking firms are widely using computers for their concerns. They include:

• Information and Procedures about insurance policies.
• Starting and maturity dates of policies.
• Interests due and next due installment of a policies.
• Survival benefits and bonus system of the policies.

Engineering

Computers are widely used for engineering purposes. One of the major areas is CAD (Computer Aided Design) that provides creation and modification of images. Some of the uses of computers in engineering area are :

• Structural Engineering: Requires stress and strain analysis for design of ships, buildings, budgets, airplanes, etc.
• Industrial Engineering: Computers deal with design , implementation, and improvement of integrated systems of people, materials and equipments..
• Architectural Engineering; Computer help in planning towns, designing buildings, determining a range of buildings on a site using both 2D and 3D drawings.

Healthcare

Computers have become an important part in hospitals , labs, and dispensaries. They are being used in hospitals to keep the record of patients and medicines. It is also used in scanning and diagnosing different diseases. ECG (Echocardiogram), ultrasounds, CT scans, etc. are also done by computerized machines. Followings are some major fields of health care in which computers are used.

• 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.
• Pharmacy Information System: Computer is used to check during labels, expiry dates, harmful side effects,  etc.
• Surgery: Nowadays , computers are also  used in performing surgery and virtual surgery.

Military

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

• Missile Control, use and planning.
• Military Communication
• Military Operation and Planning
• Smart Weapons for latest security system.

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 :

• Sending messages through an electronic mail.
• Online  chatting with friends with different forms. 
• Different level of video-conferencing worldwide. 
• Using different social Medias like Facebook, Twitter, etc. 

Government

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

• Budgets preparation and distribution.
• Sales of tax and income tax computations.
• Computation and update of census of the country.
• Computerization of voters lists, Personal Account Number cards, ID cards, etc.
• Natural disaster and weather forecasting.
• Electronic governance services to the citizens.