The modern age is the age of Information Technology. The computer technology has importance in every field of life. With the help of IT, all departments of life and organization are performing their functions efficiently & perfectly. Computers have made a significant impact on our society. Today they are an essential part of every person’s life. It is difficult to imagine our lives without a computer being involved. Electronic computers have been around for a relatively short period of time.
At home, computers can help us to purchase different things via Internet. We can check our bank balance and pay different utility bills online. Computers are used in making a telephone call, typing a letter and driving a car, cooking food in a microwave oven, and so on. Computers are found in offices, banks, schools, businesses and in the every field. They are used in banks for record keeping and maintaining accounts of customers. Banking and commerce could not have existed on a large scale without use of computers. Computers are widely used in banks for calculation purpose. The banks provide ATM card facility to the customer for draw money from any ATM Machine, it has been possible due to the computerized system.
Computers have also revolutionized manufacturing processes. They are used to automate processes in factories. The use of computers in factories has increased productivity and quality of products. Their use has also reduced production costs. Computers are used to making the statements, check and balance of employee salaries in factories.
In accounting and finance activities, managers are using computer system to estimate revenues and other business activities, find out the best sources and uses of funds, manage cash and other financial resources, analyze investments and perform different reviews to ensure that the organization is going well and that all financial reports and documents are accurate and up-to-date. As computers can do jobs better and more efficiently, they are replacing workers in offices, businesses and in factories. Therefore, many people see computers as a threat to their jobs. However, the use of computers creates many more new jobs relating to design, manufacturing, installation and maintenance of computer hardware and software. Different changes have also taken place through the force of interactive technology, web-cams, video conferencing etc. Now, with the help of the Internet and web-cams a video conference can be set up in which everybody can take part in the meeting without leaving their physical offices.
Computers are used in every field of life. They are used in homes, business, educational institutions, research organizations, and government offices. They are used for a variety of purposes. They are used as typewrites, calculators, accounting systems, record keepers, data processors and even as telecommunication systems. Following are some examples of uses of computers:
(1) Medical Field
Computers are used in hospital management system, patient history, CT Scan, X-ray, ECG, other medical tests, monitoring and diagnosis purpose.
Computers have many uses in homes. Personal computers are used for word processing, maintaining personal records and connecting to the Internet. Our homes also contain many devices that use computer systems. For example, computer system is used in the microwave to control its processes. The TV uses computer to tune to the broadcasting stations. Many houses have satellite dish or cable decoders. The decoder uses computer to process the signals so that the TV can use them. At our homes, computers can help us to get different information regarding different goods and services, check our bank balance, get our bank statement and at the same time pay our different utility bills by using online service.
Computers are playing important role for the entertainment of human beings. People can watch TV programs, shows, movies, on internet. People can play games online, listening music and many more entertainment is available on internet.
Computers are extensively used for word processing, data processing in government offices. They are also used to network government office for data communication and give us a paperless environment.
Businesses use computers for keeping payroll records, printing pay-checks, billing customers, preparing tax returns. Computers are used in marketing and stock exchange. Computers are also used to maintain employees’ information and inventories. Nowadays many businesses use websites to sell their products and contact their customers. With today’s increases competition life and global market environment, it is almost impossible for a firm or organization to stay and remains in the market without the widespread use of computer technology.
Computers are used to perform several industrial tasks. They are used to design products, control manufacturing processes, control inventory, manage projects, and so on. Computers are used to control and manage different manufacturing systems and continuous running of the industry.
Computers are used in Computer Aided Learning (CAL), distance learning, online classes and online examinations. Computers are used in teaching and research. The students can solve so many problems through computer. Students can get different information related to their subjects on computer. They are used to do lengthy and complicated mathematical calculations. They are also used to collect, store, and evaluate data from experiments. Nowadays, computers are also being used in distance learning programmes, computer based training. There are different methods in which educational institutions can use computers to educate the students. Many computer-based softwares are available in market.