Make notesofthe following passage, using deviceslike headings,sub-headings, numbering, shortened devices, whichever you think is appropriate.

They have changed life for most of us. In a span of less than fifty year’s time, they have influenced practically every field of activity. And they have done it neither with a bang nor with a whimper, but efficiently and silently. Not a shot has been fired, not a drop of blood has been shed, but a revolution has all the same been accomplished by the ubiquitous computer. The computer hasremoved the tediousness of many a job. Robots controlled by computers carry out routine jobs in industry. The economist is able to make graphs and tables at the press of a button.

In the medical field too, doctors use computers to help diagnose diseases. Artificial intelligence system enables computers programmed with vast amount of data to ‘think’ about numerous possibilities and make a diagnosis.

The personal computer-a desktop or handheld affair-has actually invaded the home now and taken over the tasks of writing and keeping household accounts. Networks can now be established enabling people to exchange news, financial and travel information and other data.

Computers have made their presence felt most in the field of communication. Today the entire world is interlinked through satellite. On a smaller scale, computer networks allow people to communicate by using electronic mailing in a matter of minutes over long distances.

The most complicated machines in history, computers are arguably the most useful as well. Even art has not escaped the computer’s attention. Who could have conceived of Jurassic Park if computers had not been there? Computers are increasingly indeed indispensable in the home,school and work place even in a developing country like India. And they make no noise about it.

Impact of Computers in Different Fields

1. Introduction
   - Computers have revolutionized life over the past 50 years.
   - Change has been efficient and silent, without violence or disruption.

2. Industrial Applications
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