internet and its uses
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A Powerpoint Presentation on Internet And Its Uses.TRANSCRIPT
Internet And Its UsesBy- Rishabh Singla
What Is InternetThe Internet is a global
network consisting of millions of computers. Itis mainly used for informationretrieval and communication.
ModemShort for modulator-demodulator, a modem is adevice or program that enables a computer to transmitdata over, for example, telephone or cable lines.Computer information is stored digitally, whereasinformation transmitted over telephone lines istransmitted in the form of analog waves. A modem converts between these two forms. This information isrequired to surf the net.
Searching InformationInternet is used for findinginformation. Anything anybody wants to find is on Internet. It is easy to find because of the program- Search Engine.
Search Engines
Search Engine is a program that searches
Web pages and online documents forspecified keywords and returns a list ofthe Web pages/documents.
Different type of Search Engines are:-Google,Yahoo! Search,Bing,MSN Search etc.
The internet is the main source of education in today’s society. Most of the people use the internet to study. Many institutions also offer coaching classes and entrance exam online. The paper of CAT is given online. The result of most of the exams are declared on internet.
Education Through Internet
Education Through Internet
Anybody can learn from Internet because the
language is simple. The doubts can be cleared
in seconds. Children who are on leave fromschool for a very long time, they connect to the
Internet and study the topics which were done
in the school while they were absent. It is also
usable to handicapped children.
CommunicationThe internet, since discovered as a
powerfulcommunication tool has grown,
expanded andspread through out the world like
wild fire. It hassince become arguably the most
powerful source ofcommunication and resource. The
internet hasbroadened our horizons in ways we
never dreamt tobe possible.
One of the best program of communication is
Chat. It let us communicate with other users
instantaneously through text message. Websites
offering these facilities are called chat rooms.
Examples are Yahoo! Messenger, Rediff Bol,Gtalk.
Communication
Communication- EmoticonsAlso known as smilies or
smileys,emoticons are symbols which are madeusing characters on keyboard. Forexample:- :- ) I’m happy, a good thing just happened, etc. :- ( I’m sad, a bad thing just happened, etc.
AcronymsMany chatters make use of acronyms(words formed from the first letter ofother words) to express commonly usedphrases. For example:-
ASAP: As Soon As Possible AFAIK: As Far As I KnowLMK: Let Me KnowHTH: Hope this helpsIDK: I Don't KnowLOL: Laughing Out LoudBBIAB: Be Back In A Bit
Finding People
Internet also helps us to find peoplelike our old friends. The mostly used websites to find people are Facebook and Yahoo!
NewsgroupsNewsgroups are similar to e-mail except
that instead of sending message to
someone’s mail box, the message is posted
on a bulletin board where anyone can read
it and respond. This allows a discussion to
take place among several people. A
newsgroup may have several active
discussions at one time.
NewsgroupsThere are eight official categories of
newsgroups. They are:-Category Descriptioncomp computer-related
topics humanities literature, art, or
other topics covered by the
term humanitiesMisc miscellaneous topicsNews newsgroup related
topics rec recreation,
including sports, hobbies, etc.Sci social and cultural
topicstalk politics-related
topics
Video Conferencing On TV the newsreaders talk to the reporters
at a faraway place who report directly to the
audience. It is because of video conferencing.
Video Conferencing- How It Happens?
A camera records the video of the sender. This
video is converted into compressed digital
signals. These signals are transmitted through a
modem to the other computer where they are
converted back into video, which is played on the
computer screen.
E-GreetingsInternet is also used for sending e-greeting
cards to friends, relatives, etc. This facility
is used by the internet users when they are
out of country, out of state, or busy in some
important work, etc. They can wish others
online.
Entertainment
Internet has a big role inentertainment. As entertainment isvery important in life, one canplay games, listen music, watchmovies etc on internet.