INTRODUCTION To Internet Concepts

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INTRODUCTION To Internet Concepts Using
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Introduction To Internet

• What is the Internet?
• The internet in simple terms is a network of the
  interlinked computer networking worldwide, which
  is accessible to the general public. These
  interconnected computers work by transmitting
  data through a special type of packet switching
  which is known as the IP or the internet
  protocol.

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Introduction To INTERNET

• What is the Internet?
• The Internet, sometimes called simply "the Net,"
  is a worldwide system of computer networks - a
  network of networks in which users at any one
  computer can, if they have permission, get
  information from any other computer (and
  sometimes talk directly to users at other
  computers).

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THE INTERNET
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History of INTERNET

• ARPANET was the network that became the basis for
  the Internet. Based on a concept first published
  in 1967, ARPANET was developed under the
  direction of the U.S. Advanced Research Projects
  Agency (ARPA).
• In 1969, the idea became a modest reality with
  the interconnection of four university computers.
  The initial purpose was to communicate with and
  share computer resources among mainly scientific
  users at the connected institutions.

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Some Basic Internet Definition

• ARPANet - The precursor to the Internet.
• ASCII - American Standard Code for Information
  Interchange. The de facto world wide standard
  code for alphanumeric characters.
• Blacklist - Describes inappropriate advertisers
  on Usenet newsgroups and via junk E-mail.
• Browser - A program that is specifically used to
  look at various WWW resources.
• Client - Any computer that makes use of services
  available from other computers.

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Some Basic Internet Definition

• Domain Name - A unique name that identifies an
  Internet site. The name always has two or more
  parts separated by a dot. The last part of the
  name identifies the site ( i.e. gov for
  government, edu for education, com for
  commercial, or net for network). An electronic
  street address.
• E-mail - Messages, usually text, sent from one
  person to another via a computer.
• Fire Wall - A combination of hardware and
  software that separates a LAN into two or more
  parts for security purposes.

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Some Basic Internet Definition

• Host - A computer or software package which
  provides a specific kind of service to other
  computers. One that is seen by other computers on
  the Internet.LAN - Local Area Network. Several
  computers located in the same physical location
  which are connected together in order to share
  information and services.
• Modem - A device that allows a computer to use a
  phone line to communicate with another computer.
• Protocol - The rules of conduct which enables a
  computer to communicate with another
  computer.PPP - A protocol that allows a computer
  to use a telephone line and a modem to make
  TCP/IP connections.

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Some Basic Internet Definition

• Server - Any computer that makes services
  available to other computers.
• TCP/IP - Transmission Control Protocol/Internet
  Protocol. This is the protocol which defines the
  Internet.
• URL - Uniform Resource Locator. A unique name
  that identifies an Internet site.
• WWW - World Wide Web. The universe of hypertext
  servers.

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What is the difference between the World Wide Web
and the Internet?

• The World Wide Web (The Web) is only a portion of
  what makes up the internet, but it is the fastest
  growing part of the internet. The Web lets
  people, organizations and companies publish
  information for other people to see. This makes
  the Web a very useful tool for finding
  information on just about any topic.
• The Web is a large number of computer documents
  or "Web pages" that are stored on computers
  around the world and are connected to one another
  using hyperlinks. These Web pages can be seen by
  anyone through their computer's "Web Browser,"
  which is the program you are using now.

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Cont.

• A group of Web pages that follow the same theme
  and are connected together with hyperlinks is
  called a "Web site." Web sites and Web pages are
  written in a coding language that makes it
  possible to add pictures, sound and interactivity
  to plain old text, making people's reading
  experience more exciting.

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Uses of Internet

• Internet has been the most useful technology of
  the modern times which helps us not only in our
  daily lives, but also our personal and
  professional lives developments. The internet
  helps us achieve this in several different ways.
• For the students and educational purposes the
  internet is widely used to gather information so
  as to do the research or add to the knowledge of
  any sort of subject they have. Even the business
  personals and the professions like doctors,
  access the internet to filter the necessary
  information for their use. The internet is
  therefore the largest encyclopaedia for everyone,
  in all age categories.

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Internet in education

• Education these days has been the top priority
  for any family or individual person, and no doubt
  amongst the latest technologies to promote and
  maintain the education standards the internet
  comes first.
• Internet is not only an access to websites, these
  days there is knowledge and information on every
  aspect of the educational world over the
  internet. The resources provided on various web
  pages are indeed very informative and useful for
  professionals and students related to every field
  of work.

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Effect of Internet on our daily lives

• The maximum effect of the internet is actually on
  the daily life of the individuals because indeed
  there is no aspect of life which is not
  influenced by the internet and its uses.
• Life has become drastically smooth and easy over
  the internet, while in the previous years seeking
  for a job required several visits to the offices
  and companies and interviews, these days all what
  is required is your detail resume emailed to the
  company's analysis division which assures you of
  any possibilities for getting the job instead of
  waiting and getting rejected in the end.

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Effect of Internet on our daily lives

• Even in the minor daily life activities like
  traveling and planning is also related to the
  internet in some way or the other. Internet can
  now be used to inquire about the flight timings
  and delays which make it easier to plan for the
  departure time.
• The most interesting aspect of the internet
  influencing our daily lives is the factor of
  entertainment. Entertainment no longer demands
  your money or expense, today you can just log on
  the internet in your free time and get involved
  talking to people of similar interests, or watch
  movies or play games, its all there in the
  internet.

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Web Browsers

• Web browsers are programs used to explore the
  Internet. There are many Web browser programs
  available including Netscape Navigator, Internet
  Explorer and Opera. Internet Explorer is the
  Internet browser made by Microsoft and comes with
  Windows operating system.

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Web Browsers
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Search Engine

• A Web Search Engine is designed to search for
  information on the World Wide Web.
• The search results are generally presented in a
  line of results often referred to as search
  engine results pages (SERPs).
• The information may be a specialist in web pages,
  images, information and other types of files.

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Search Engines
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Search Engines

• Google
• is the most popular search engine in the world,
  and a multinational, publicly-traded organization
  built around the company's hugely popular search
  engine.
• User can search for any information by writing
  what he is looking for in the search text box.
• Google can view the searched information as a web
  pages, pictures and there is a part for Maps,
  YouTube, and news.
• Google have its own E-Mail Application called
  Gmail.

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Internet Applications
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E-Mail

• Email, sometimes written as e-mail, is simply the
  shortened form of electronic mail, a system for
  receiving, sending, and storing electronic
  messages.
• It has gained nearly universal popularity around
  the world with the spread of the Internet. In
  many cases, email has become the preferred method
  for both personal and business communication

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How To Create E-Mail

• The most popular e-mail programs in the internet
  world are Yahoo and Hotmail.
• First of all the user must create a new account
  in one of these programs to make an e-mail. That
  will be by pressing on Create New Account to
  fill some information like personal information
  and pick up an e-mail address.
• If no problems occurred such as missing
  information then the user can establish using the
  e-mail for sending and receiving information.

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How to Create E-mail
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• After inserting the yahoo ID
• and Password then the user
• must press on Sign In to enter
• to e-mail.

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How To Use E-Mail

• Messages sent by electronic mail normally reach a
  recipients account within seconds. They
  frequently include more than just text images
  and numerous types of formatted documents are now
  easily included as attached files.
• Moreover, it is no longer necessary to be sitting
  in front of a PC to send or receive an email. A
  variety of mobile devices, such as tablet
  computers and smart phones, make it possible
  manage correspondence on the go.

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How To Use E-Mail

• This is the view when open the e-mail for the
  first time

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How To Use E-Mail

• If the user wants to read the coming emails he
  must press on inbox then pressing on the
  message.
• If the user wants to write a message to some one
  then he must press on Compose Message.
• The next picture show the place for both of them.

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How To Use E-Mail
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Sending a Message

• When the user wants to send a message he must
  know the e-mail address for the recipient in the
  other side.
• There is a text box named be To to write the
  e-mail address in it.
• Then the user can write the title of his message
  in a text box named by Subject.
• Then he can write the message in the bigger text
  box and then press on Send

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Compose Message
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Attaching Files

• Also the user can attach a file which can contain
  a text, pictures or videos by pressing on
  Attachment button for attaching any file saved
  in the computer.

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Chat Applications

• The most familiar chat applications used in
  internet world are
• Google Video Chat
• Facebook
• Skype

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Chat Applications

• Google Video Chat
• Google starts rolling out voice and video chat
  inside Gmailwhich requires a free browser
  plug-in download, and, obviously, a webcam or
  microphone.

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Chat Applications

• Facebook
• Facebook is a social networking website intended
  to connect friends, family, and business
  associates. It is the largest of the networking
  sites, with the runner up being MySpace. It began
  as a college networking website and has expanded
  to include anyone and everyone.

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facebook

• To create an account in facebook first of all the
  user must Sign up as shown in following figure

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Chat Applications

• Skype
• Is the one of the most popular voice
  communication service in the world.
• Skype is one of the pioneers in voice
  communication over the Internet, what makes Skype
  top all lists of VoIP software is its popularity.
  
• The Skype service comes with an application
  software, which is why many people think of Skype
  as being only a software, overlooking the great
  service behind.

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Skype

• To register in Skype user must create an account
  by opening the Skype web site and inserting
  information as the following picture

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Skype