Thursday, October 20, 2011

Uses of computer

Computer, one of the most powerful machine today, is being used everywhere. Let’s discuss the uses of computer on various sectors of our society.
Business and Industry:
The uses of computer in business/offices improve their working efficiency. Record keeping becomes very easy. Information can be searched immediately. The use of computers in industries has improved their efficiency. The cost of production goes down. The quality of products is improved. Unpleasant and hazardous work can be performed by using robots. Working hours of laborers are reduced; they get more leisure.
Health Care:
Computers are also being used for planning and control purposes by health-care professionals. Computer equipment is used to monitor pulse rate, blood pressure and other vital signs. This leads to correct and fast diagnosis. Medical researchers are using computers as a tool in their search for cures of deafly disease like cancer and AIDS.
Education:
Computers are playing an important role in education. Once can get lessons on certain topics, special lectures prepared by experts etc on the screen as many times as he wants until he understands the topic. Computers are working as teachers or helping teachers in educational institutions.
Communication:
Computers are capable of manipulating and transmitting texts at very fast rate. Sitting at home, anybody may do office work, bank transactions, marketing, purchase of shares, reservation of place and bus tickets and so on. Officers and managers can contract any branch office anywhere in the world through the computer network. Text, voice, data and picture can easily be transmitted nowadays using modern communication systems, which heavily depend upon computers. Information is transmitted over long distances through satellites.
Humanities:
In recent years, computers have become popular among people having interests in history, literature, music, graphics, arts and other branches of humanities.
Science and Technology:
Thousands of scientific applications are processed daily, on the computers. One of the most important daily activities is whether forecasting, which involves solution of mathematical equations using worldwide data about air pressure, temperature, humidity and other values.
Recreation and Entertainment:
Our entertainment and pleasure-time have also been affected by computerization. For example;
a) In movies, computer generated graphics give freedom to designers so that special effects and even imaginary character can play a part in making movies, videos, and commercials.
b) In sports, computers compile statistics, sell tickets, create training programs and diets for athletes, and suggest game plan strategies based on the competitor’s past performance.
c) In restaurants, almost every one has eaten food where the clerk enters an order by indicating choices on a rather unusual looking cash register; the device directly enters the actual data into a computer, and calculates the cost and then prints a receipt.
Government
Various departments of the government use computer for their planning, control and law enforcement activities. To name a few traffic, tourism, information and broadcasting, education, aviation and many others.

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