In this fast moving world information technology has become a must. Information refers to facts and opinions provided and received during the course of daily life. Information is obtained from mass medica from electronic data banks, from all sorts of observable phenomena in the surrounding environment, daily discourse and body language.
Ours is an increasingly knowledge-intensive environment. Knowledge plays a vital role in such an environment. The growing volume and the rate of obsolescence of knowledge makes it essential for an individual in the present day world to have frequent interaction with informaiton resources and systems. Individuals cannot ignore its impact on their skills and jobs.
Informaiton technology makes obsolete many human functions. Earlier machanical and repetitive tasks were affected. Now clerical and paraprofessional tasks are being automated. The first three landset satellites were launched in 1972, 1975 and 1978 to collect information about Earth’s natural resources, location of mineral deposits, condition of forests and farming regions. The cameras that they carried provided images fo the surface areas. The fourth landsat satellite was launched in 1982 and the fifth in 1984. Satellites are continued to be sent by various countries to gather more information from space beneficial to humanity.
One of the greatest advances in modern technology has been the invention of computers. Computer based information systems impact the structure and management styles of corporation. Computers are widely used in industry and in universities. Now there is hardly any sphere of human life where computers have not been pressed into the service of man. They are capable of doing extremely complicated work in all branches of learning. These machines can be put to varied uses. They can provide information on the best way to prevent traffic accidents. They work accurately and at high speeds, they save research workers, years of hard work. The process of machines working for us in automation. Computer can be plugged into a national network and be used like radios. Weather conditions could be got, it could be used in ordinary public hospitals to diagnose the nature of patients, illness, check their health record. Book keepers and accountants could be relieved of dull clerical work.
The tedious task of compiling and checking lists of figures could be done. It helps scientists to solve complex problems in space science and launching of rockets and satellites. It eliminates the work of filing records. Now, robotsmachine men which are controlled by comptuers do tremendous work.
Thus Radio, Television, Computers, Telephone, Telegraph etc. which are the products of Technology have made life easier. It is we who have to reform our throughts and use science and technology for the well being of the country.
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