Essay on Computer Revolution in India for Students
Computer is a data processing device which derived from
human intelligence. The first ever computer was designed in 1944 by Prof. Aiken
and his team in Harvard University, U.S.A. Computer has to perform four
functions-
- Accept data from users;
- Accept instructions from users;
- Convert data into information: and
- Display the results.
Although the
computer is capable of processing the data, it only processes the data which is
supplied to it its user. If one feeds wrong data or wrong instructions, he will
get wrong results.
Computer technology has made tremendous progress in the last
five decades. Today the world is on the threshold of a computer revolution.
Everyday new uses are being found for computers. They are already helping us in
different fields such as agriculture, industry, space exploration, scientific
research 'machine designs, medical diagnosis, banks, aviation and traffic
control etc. Computers are today performing tasks which were beyond man’s
imagination about fifty years ago. The 21st century is certainly going to be
the computer age.
Computers have some special features which make them
extremely useful to man. Speed, accuracy and large storage spaces are few
special features of computers. They are designed in such a way that they rarely
make errors. Computers accuracy is consistently higher. Errors in the machinery
seldom lead to false results. Further these errors are caused because of human
beings rather than technological weakness. Computers have some special
qualities which make them superior to man in some ways. They never get tired.
Besides being an automatic machine, they can do long jobs with little or no
help from a human operator. No wonder, computer is the greatest invention of
man. Before the industrial revolution, people used to work mainly by hand. With
the invention of machines, people started to work in the factories. Today we
are facing another revolution as machines used by the people are being replaced
by computers. With the help of computers, man has become capable of deeds he
had never dreamt off.
In the modern era, computers are indispensable in industry
and business. They have been installed in factories, business houses, offices,
hospitals, banks, railway stations, airports etc. Computers have brought about
fast changes in Indian way of life and work. The most common field in which
computers are helpful to a very large section of population is the public
services. If we go to a computerized air or railway reservation counter, we
would definitely notice the difference in service given to us as compared to
the previous one. Now we can get reservation for a particular train within no
time. The computer screen depicts the number of berths vacant in sleeper
compartments of a particular train, particulars about arrival and departure and
list of fares. In business houses and commercial centers, the computers are
keeping tracks of files and vital statistics. They are helpful in reviewing the
achievement of targets and chalking out sale strategies for the future. They
have brought about automation in every field. They are successfully carrying
out the jobs which were formerly performed by the employees or workers in a
particular factory. This has resulted in rapid increase in production and has
reduced the requirement of man-power in industry and commerce.
Computers have useful application in the medical profession
as well. Modern diagnosis has become quite accurate, precise and fast with the
help of computers. Machines like CAT scan have enabled the doctors to reproduce
our body slice by slice and prepare films to ascertain the exact location of a disease,
function of a particular organ of our body, and detect abnormalities. Medical
specialists greatly rely on these diagnostic tests before making a final diagnosis
and choosing the course of treatment. Computers are being used in heart
surgeries. They have been quite useful in very intricate operations of the eye
and brain.
The exploration of space is one of the most exciting developments
of the modern era. The space satellites are transmitting considerable amount of
knowledge back to earth. The day is not far off when we shall be able to
establish human colonies on other planets. The satellites which are launched in
space are of great help in communication. They have been helpful in obtaining
television linkage with distant countries. Now T.V. viewers can see programs
and events of international significance right into their rooms.
Photos from satellites have helped in the field of
meteorology, geology and agriculture. Weather satellites are transmitting
advance warning of such developments which may be dangerous to human life. Our
country purchased a super-computer from America, which has been installed in
Meteorological Department of Government of India. Such a computer will help us
in preparing weather forecasts in advance.
Robots are nothing but computerized machines like human
being with limbs. They are equipped with remote sensing devices and can work untiringly.
In some advanced countries of the world, these robots are being successfully
used in hazardous works. In countries like U.S.A., Russia and Japan, the robots
are being used as helping hands in libraries and other buildings.
In the modern era, there is no aspect of civilized life
which is not at some stage under the control of computer. However the use of
computers in banks, factories and offices may pose serious problems in a
developing country like India where unemployment is already a serious problem.
Hence it could be advisable if we go for computerization in phases.
The power of computer can be misused. It is already being
used in warfare. We should use our discretion in such a way that the power of
computer is not misused. There will be no danger to the mankind if we do not
allow computers to make decision on problems involving moral issues.
Although life in the 21st century is likely to be
dominated by computers but man will have to ensure that he does not get carried
away with his own invention. The computers should serve us and not start
dictating us like monster.
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