COMPUTER COURSES IN CHANDIGARH
What is a computer?
A common, somewhat simplified, definition is that the computer is an electronic device that can be used to process information. As we might expect from this definition, the fact that the computer is electronic means that it will be fast: it can operate at electronic speed. But what do we mean when we say the computer can process information? The answer to that question is not so simple. When computers were first used, they were used exclusively for calculating numbers. During that period, information processing was defined as calculating numbers. Today, computers are not only used for calculations, but also for creating and manipulating text and pictures. They are used to design bridges and spacecraft, to record a company's sales and to keep track of customers, to create a school newspaper, or to estimate the cost of a new school. If computers can do all these things, then it appears that we must define information processing in terms of what the current crop of computers can do, and that definition is constantly expanding.
How do we use computers? During the past few decades, computers and electronic technologies have been incorporated into almost every aspect of society. They now play a role in how we learn, how we take care of our money, and how we are entertained. Today, there is probably no better indication of how advanced a society is than how computerized it is. In our society, computers are now a fundamental component of our jobs, our schools, our stores, our means of transportation, and our health care. Our complex systems of banking and investment could not operated without computers. Essentially, all of our medical and scientific facilities now depend entirely upon incredibly complex computer-based systems.
How are computers used in Banking and Finance?
Computers have become an indispensable tool in the handling of money and finances. Computerized ATM machines and credit card machines are now familiar throughout the United States and in many other countries in the world. Although they have only been in existence for a short while, many of us now take them for granted and expect our bank to provide these computerized services whenever and wherever we need them. Many do not realize that these machines are part of the huge electronic network that has been put in place in the banking and financial services industries. The ATM machines and the credit card machines provide our interface with the bank's computers.
How are computers used in Education?
Today, computers can be found in every school. From kindergarten to graduate school, the computer is being used for learning, for record keeping, and for research. A variety of computer-assisted instruction ( CAI) programs are now being used to facilitate the learning of nearly every educational topic. Multimedia-based learning systems can deliver information to students in the form of sound and video in addition to text and pictures. Using these new tools, students can gain control over their own learning as the computer delivers the instruction at the student's desired pace, monitors their progress, and provides instantaneous feedback. And, because computers can now take over some of the instruction that used to take place in the classroom, teachers are free to work with students who need more concentrated attention.
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