There are many pornographic sites that can be found, letting your children to use internet which indirectly affects the children healthy mental life. These components are described in the following diagram: The first five lines of an E-mail message is called E-mail header. Just one of its services, the World Wide Web, offers more than 60 million pages with data in text form, images or sound. Different users can send and receive messages according to the e-mail address. who sent the e-mail. /Height 122 << Internet is a world-wide global system of interconnected computer networks. The username and the domain name are separated by @ (at) symbol. a !1AQa"q�2���B#$Rb34�r�C%�S��cs5��&D�TdE£t6�U�e���u��F'���������������Vfv��������7GWgw��������(8HXhx�������� )9IYiy�������� Junk emails are undesirable and inappropriate emails. Apart from several benefits of E-mail, there also exists some disadvantages as discussed below: E-mail doesn’t prevent from forgery, that is, someone impersonating the sender, since sender is usually not authenticated in any way. You can get this for free from your Internet service provider or from one of the many free web-based email services such as Gmail, Yahoo! Following are the various modes for entertainment over internet. 2. This leads to misconception among many people. The header part comprises of following fields: The From field indicates the sender’s address i.e. *:JZjz���������� �� ? /Filter /LZWDecode The Subject field indicates the purpose of e-mail. Hi Sir or Hi Guys etc. /Type /XObject Therefore, one should be very careful while sharing such information. Internet covers almost every aspect of life, one can think of. Also a biggest threat on internet is pornography. ���{������!�{*i.#D+oeM%�h�γ��t�i湾��� �^4\�X����s��ȱ_��1��-�A��Y.��8�hs��H0~k� �3���h����]�����I�#�u�Y��0Z��;h:��]w���=��熃��������T�Y��Uq��i��T�Y��Ug� m,W�*�d~�IF����� ���D��#����؂��uv0#sHG��fSCZne�74��M� .�wz퉟M���!����ލ�bgc���q���[�Ufؙ���p���貿�S��]V~�4��?�h�c,$�i�m�m �v���?���of����S�h��S��Zs��a��N��5?��_Y�H��v2��� O��_�u=��{�MĶ��#p� �E�}_�����-%�vF�����������7Ӷ��#p� ���]02�pw_�����Pl�e.y,��U9��Eu9���}l�ߖs[���[}����ˊ��\��[p���o��Y[9q^[���Kr�M����������[έ��u����KwI����r�b��[�W��۩��~-�$jZO�\e���lw�N��n��=�t�|��i?����z�Y��K�:���A�#P�C+��� Z0��Cu-��X0"i������/T莡��kA�4�ʤ��+�c��q� ��p9$AY�����C�\G@���5����" A special computer DNS (Domain Name Server) is used to give name to the IP Address so that user can locate a computer by a name. It is possible that you may send e-mail to an unintended recipient. Here are the benefits of E-mail: Many of the mail systems notify the sender if e-mail message was undeliverable. Every computer in internet is identified by a unique IP address. /Filter /DCTDecode It is easy to obtain a hardcopy of an e-mail. One can find various social networking sites such as: One can surf for any kind of information over the internet. E-mail is very fast. Mail, and Outlook.com. 3. This tutorial is about learning how to view, send, and write email for fifty plus, beginners, and seniors. Information regarding various topics such as Technology, Health & Science, Social Studies, Geographical Information, Information Technology, Products etc can be surfed with help of a search engine. It represents the actual content of the message. 8 0 obj Virus can easily be spread to the computers connected to internet. BCC stands for Black Carbon Copy. Such virus attacks may cause your system to crash or your important data may get deleted. The concept of Internet was originated in 1969 and has undergone several technological & Infrastructural changes as discussed below: The origin of Internet devised from the concept of Advanced Research Project Agency Network (ARPANET). /BitsPerComponent 8 The To field indicates the recipient’s address i.e. There is no requirement of stationary and stamps. Internet is defined as an Information super Highway, to access information over the web. These e-mails serve no purpose and lead to obstruction of entire system. INTRODUCTION TO INTERNET, WWW, AND e-mail The world network of networks, Internet, is considered an inexhaustible source of information. Each user of email is assigned a unique name for his email account. /Length 9 0 R Not only that, if you need an email service provider, we'll learn how to open up a free email account, Hotmail, using step by step instructions and maybe you can start sending email! /ColorSpace /DeviceRGB 5. By the time, with invention of new technologies such as TCP/IP protocols, DNS, WWW, browsers, scripting languages etc.,Internet provided a medium to publish and access information over the web. Apart from communication and source of information, internet also serves a medium for entertainment. Greeting is the opening of the actual message. However, Internet has prooved to be a powerful source of information in almost every field, yet there exists many disadvanatges discussed below: There are always chances to loose personal information such as name, address, credit card number. The mailbox is the location where email is stored and is usually spit into folders. Internet is accessible to every user all over the world. However, It can be defined in many ways as follows: 1. endobj It may be frustrating when the recipient does not read the e-mail and respond on a regular basis. endobj Junk emails are sometimes referred to as spam. An email account is a username/password combination that gives you access to a mailbox.. << For example, webmaster@tutorialspoint.com is an e-mail address where webmaster is username and tutorialspoint.com is domain name. "(($#$% '+++,.3332-3333333333�� z d �� � Email addresses and mail servers. >> endstream �m�a This is the final part of an e-mail message. You can liken a mailbox to a filing cabinet. It offers an efficient, inexpensive and real time mean of distributing information among people. It offers an efficient, inexpensive and real time mean of distributing information among people. ?���c@֎G$�*Ӫ��8������[Q�8=Q�>���e��8�V�}��P�a��{���ct��[Q�=Bf�,?ҿ!��潣k�a�m���,��75�\��9�zWd��@�״C�����,���8����6��sO0& ��,�}�q5=�,K�.i��|��Yʱ�>�ߐ�������fUU���t"u E-mail is generally of the form username@domainname. A special computer DNS (Domain Name Server) is used to give name t… /Subtype /Image Initially, there were only four nodes, formally called Hosts. It is used when we do not want one or more of the recipients to know that someone else was copied on the message. Another disadvantage is the Spamming.Spamming corresponds to the unwanted e-mails in bulk. Basic purpose of ARPANET was to provide communication among the various bodies of government. In 1972, the ARPANET spread over the globe with 23 nodes located at different countries and thus became known as Internet. >> ! Internet uses the standard Internet Protocol (TCP/IP). %���� There are various apps available on the wed that uses Internet as a medium for communication. IP Address is a unique set of numbers (such as 110.22.33.114) which identifies a computer location. E-mail message comprises of different components: E-mail Header, Greeting, Text, and Signature. E-mail can be sent and received by a person sitting across the globe. CC stands for Carbon copy. /Width 100 But all these things are not required for sending or receiving an mail. 9 0 obj 6 0 obj ��ú�c��Uľ,���[:�vb��[(ή��|Y���-�B�K��;\v9�E����>3�� W�.�k����E�C�v�s��G�v�6h�HuGX9�[Vc�op����<0>$j�e9����>�����H�<0>$L���>GF��l��>����ă+����Z��c8����� ��ջ�'FFX�Y��/O��v����4��XG;J��јq�u�s�� �ʻ3�u��v@�`�7�ȷI�4/�~]�]C�V����E�O��xm6�ٗ�:�`�#�8 �r-�~ ���������뮺�\�k/�����-� ˀ>+�g���H���]x�n5��e�d�ˀ>(W�ۑx���UU����M�`%��_�?n��Um �V�6�y�t�+1}���]UV���V�7.