Introduction: Twentieth century is the period of wonderful development
of science. Man has brought the world in his fist at the present period
by dint of his own effort. One of the unique contributions of this
period is Internet. This combined process of satellite technology and
computer has brought an all-pervading possibility of human welfare.
Meaning: The word Internet is the abbreviated form of international
Network. The network of all networks is the most modern success of
Information technology. It can collect and send messages, information
and pictures very quickly from one corner of the world to another. More
than one person can procure information by joining a number of terminals
with a chief computer. Network after network joining together has
created a large dimensioned network throughout the world. There is a
symbolic meaning of Internet. It is WWW by which we mean World Wide Web
and it is attributed properly because of its worldwide activities of
communication. History of Internet The history of the origin of Internet
does not go far. In 1960 the defense service of Pentagon of the USA
used it for the first time. The computer experts of the defense service
introduced a system of internal relation among four different computers.
This system was called Arpanet. In 1984 National Science Foundation of
the USA introduced another system like this for the common people. It
was called Nesconset. In the course of three years It gained wide
circulation. In the meantime there emerged other small and middle
dimensioned networks. Consequently there arose some problems in
communicating information through computers. To get rid of those
difficulties a central network was formed at the beginning of the 90s of
the last century. In 1993 it was exposed for commercial use. Within a
short period millions of members were connected with Internet. At
present more than twenty thousand networks are connected with
international network. Its users are increasing rapidly in every nook
and corner of the world. Kinds of Internet An ordinary user can be a
recipient of an Internet in two ways. Those two ways are known as
on-line and off-line methods. Through telephone one can connect his
computers directly with any service provider. This method Is on-line
method. In this method users can be involved in service provider at any
time of the day. Besides through IP process one can communicate with
Internet. On the other hand using an adjacent server as a medium of
Internet and user can take the advantage of an Internet. It is called
off-line Internet or E-mail. In this process the users send all their
messages through computers to their nearer server. Through the
interconnected server this central server sends all those information to
necessary computers at one definite time of a day. Besides, the
recipients can collect the incoming messages at a fixed time of a day
through a local call. So it is found that off-line Is an available cheap
medium of communication. Importance of Internet: The main objective
behind the invention of Internet is to transmit and receive messages
quickly. Through Internet/E-mail process message can be sent very
quickly in a few seconds. I am the cheapest medium of communication. To
send a letter in America one is to spend twenty to thirty taka whereas
through E-mail it will cost 0.50 to 2.50 taka only. Its low cost is a
threat to the use of Fax. Other uses of Internet: Sitting home a man in
Bangladesh can study at any library of London. One can sort books of his
own accord through Internet. Even he can print some pages of a book in
the screen of his computer. If any man in any country desires, he can
read the newspapers and magazines etc. setting them in his computer. Job
seekers can apply to different institutions through Internet. He can
easily send his resume to the defined Institution through a computer on
the basis of advertisement. Many opportunities can be availed through
Internet such as communicating with foreign doctors, meeting friends and
relatives, giving proposal of marriage, shopping, Office management,
entertainment and many other affairs of daily life. Internet
communication in Bangladesh: Bangladesh first started using Internet in
November 1993. Information Services Network (ISN) began Internet Service
at Dhaka for the first time. Then came forward is the Grameen Cybernet
with a view to sending IT to the grass root level. Bangladesh T and T
Boar has permitted five institutions to set up VSATS. Those institutions
are Reuter. World Bank Mission is in Dhaka, Cytec, Isn and Beximco.
Some universities and newspapers have set up Internet services in
Bangladesh. Since its inception Internet service was limited to E-mail.
On-line connection was introduced on 15 June, 1996. In the year 2002
sixty thousand internet connections in total were given to our country.
Demerits of Internet: Darkness behind light and evil behind good is an
experienced fact. In the same way some demerits also lark behind the
innumerable merits of Internet. This is because the indecency and
nakedness of the forbidden world of Internet has been leading our young
generation to the bottomless pit of moral decadence. Blackmailing, virus
infection and stealing of information cause great harm to the users of
computers. Conclusion In spite of having demerits Internet is a must for
every country of the present world. But the price of computer is beyond
the reach of our common people. Bangladesh has ample opportunity in
Software export and data entry industry In the world market. Like
garment industry Bangladesh can earn a lot of foreign currency through
this Industry.
Exam Resources for PEC, JSC, SSC, HSC, Degree,Diploma in Medical Technology,Diploma in Dental Technology,Diploma in Nursing Science and Midwifery,B S C in Nursing and MA Examines in Bangladesh
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