The document provides an introduction to the Internet, including its history and development in India, advantages, how to connect to it using different connection types, features of the World Wide Web such as email, search engines, and URLs. It explains what the Internet is, how it functions as a network, medium, marketplace, transaction platform, and source of information. Key aspects covered include how to connect a computer to the Internet, the components required like a computer, browser, telephone line, modem, and Internet Service Provider.
The document discusses the history and workings of the Internet. It describes how:
- The Internet was originally created by ARPA for military communications and has since grown into a network of interconnected networks.
- The Internet uses protocols like TCP/IP to allow networks to exchange data through high-speed backbones that connect smaller networks.
- Popular Internet applications include the World Wide Web, email, file transfers, chat, and newsgroups, which allow users on different networks to access information and communicate.
The document discusses various uses and applications of the internet, including communicating, shopping, searching, entertainment, and education. It describes common internet activities like email, instant messaging, online shopping, accessing online libraries for information, and taking online courses. It also outlines different types of internet connections and speeds like dial-up, DSL, cable, wireless, and satellite. Finally, it discusses different types of websites like news sites, information sites, business/marketing sites, blogs, and personal websites.
The document provides information about the internet, its history, how to connect to it, and some advanced uses. It discusses that the internet is a collection of networks with no single governing body. It formed in the 1980s and 1990s through organizations like the IAB and IRTF. To connect, one needs a computer, modem, internet access software, and to sign up with an ISP. Advanced uses include online education, newsgroups, online newspapers, video conferencing, e-commerce, downloading, and chatting.
The document provides an introduction to the Internet and World Wide Web. It describes the Internet as a global network connecting millions of smaller networks. The Web consists of web pages containing text and images linked together via hyperlinks. To access the Internet, users need an Internet connection through an Internet service provider or their school/workplace. The Web is accessed using a web browser to view HTML files hosted on web servers around the world.
This document provides an overview of key concepts related to the internet and world wide web. It defines the internet as a global network connecting thousands of individual networks that allows information exchange between computers. The world wide web is a collection of websites stored on web servers and accessed via browsers using HTTP. Websites contain multiple webpages linked together. Other topics covered include email addresses, uploading/downloading files, and how to connect to the internet via different connection types like DSL or mobile networks.
Ch-08 (Comp) - The Internet _ Computer Security.pdfHassanJaved694664
The document provides an overview of the internet, computer security, and related topics. It defines key terms like internet, intranet, extranet, and protocols. It describes common services of the internet like the world wide web, email, e-commerce. Terminologies used for the internet are explained, such as web servers, clients, browsers. Search engines are introduced as a tool to find information on the vast internet. Advantages include sharing information widely, while disadvantages include security issues and wasting time.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed through browsers. URLs containing IP addresses or domain names are used to locate specific web pages on servers. Search engines help users find information on the Web by topic or keywords.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed using browsers. URLs include the protocol, domain name, file path, and file name to precisely locate web pages. Search engines help users find information on the Web by topic or keywords.
The document discusses the history and workings of the Internet. It describes how:
- The Internet was originally created by ARPA for military communications and has since grown into a network of interconnected networks.
- The Internet uses protocols like TCP/IP to allow networks to exchange data through high-speed backbones that connect smaller networks.
- Popular Internet applications include the World Wide Web, email, file transfers, chat, and newsgroups, which allow users on different networks to access information and communicate.
The document discusses various uses and applications of the internet, including communicating, shopping, searching, entertainment, and education. It describes common internet activities like email, instant messaging, online shopping, accessing online libraries for information, and taking online courses. It also outlines different types of internet connections and speeds like dial-up, DSL, cable, wireless, and satellite. Finally, it discusses different types of websites like news sites, information sites, business/marketing sites, blogs, and personal websites.
The document provides information about the internet, its history, how to connect to it, and some advanced uses. It discusses that the internet is a collection of networks with no single governing body. It formed in the 1980s and 1990s through organizations like the IAB and IRTF. To connect, one needs a computer, modem, internet access software, and to sign up with an ISP. Advanced uses include online education, newsgroups, online newspapers, video conferencing, e-commerce, downloading, and chatting.
The document provides an introduction to the Internet and World Wide Web. It describes the Internet as a global network connecting millions of smaller networks. The Web consists of web pages containing text and images linked together via hyperlinks. To access the Internet, users need an Internet connection through an Internet service provider or their school/workplace. The Web is accessed using a web browser to view HTML files hosted on web servers around the world.
This document provides an overview of key concepts related to the internet and world wide web. It defines the internet as a global network connecting thousands of individual networks that allows information exchange between computers. The world wide web is a collection of websites stored on web servers and accessed via browsers using HTTP. Websites contain multiple webpages linked together. Other topics covered include email addresses, uploading/downloading files, and how to connect to the internet via different connection types like DSL or mobile networks.
Ch-08 (Comp) - The Internet _ Computer Security.pdfHassanJaved694664
The document provides an overview of the internet, computer security, and related topics. It defines key terms like internet, intranet, extranet, and protocols. It describes common services of the internet like the world wide web, email, e-commerce. Terminologies used for the internet are explained, such as web servers, clients, browsers. Search engines are introduced as a tool to find information on the vast internet. Advantages include sharing information widely, while disadvantages include security issues and wasting time.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed through browsers. URLs containing IP addresses or domain names are used to locate specific web pages on servers. Search engines help users find information on the Web by topic or keywords.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed using browsers. URLs include the protocol, domain name, file path, and file name to precisely locate web pages. Search engines help users find information on the Web by topic or keywords.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols, and the Web consists of hyperlinked web pages in HTML format. It describes how to access the Internet through schools, businesses, or Internet Service Providers, and how domain names and URLs allow users to locate and access specific web page files.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed through browsers. URLs containing IP addresses or domain names are used to locate specific web pages on servers. Search engines help users find information on the Web by topic or keywords.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols, and has no central ownership or management. The Web consists of hyperlinked web pages in HTML format that reside on web servers and can be accessed via URLs using the HTTP protocol. Information is found on the web through search engines that allow searching by topic or keywords.
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Internet and Its Services - what kind of service do access thru the InternetKriz Motlhala
The document discusses the history and development of the internet. It describes how the internet originated from ARPANET and grew as organizations connected their networks. It explains how individuals connect to the internet through ISPs and the different types of internet connections including broadband, DSL, cable and satellite. Finally, it outlines some common internet services such as email, social media, browsing the web, and how information can be searched on the world wide web.
The document provides an overview of the Internet and the World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols. The Web consists of hyperlinked web pages in HTML format that are accessed using browsers. Information is located on the Web through domain names, URLs, and search engines which allow users to find information by topic or keywords.
The document discusses what the Internet is, providing a brief history and overview of its key components and features. It explains that the Internet is a worldwide network of interconnected computer networks that uses common communication standards like TCP/IP. It describes how data is transmitted across networks via packets and how domains and IP addresses allow devices to be uniquely identified. Major Internet applications like the World Wide Web, email, file transfers, chat, and newsgroups are also summarized.
This document provides an overview of hardware and software used for e-business, including the internet, internet service providers, web browsers, web servers, and factors to consider when planning a web server. It defines key terms like IP addresses, domain names, URLs, HTML, and describes basic internet functions like email, file transfer, and how to find information on the web using search tools.
Introduction to computer along with operating system, peripheral devises, types, basic concepts and basic components that are necessary to make computer function.
From Govt. Post Graduate College Chakwal by Sir Waqas-u-Din.
The document provides an overview of the Internet and the World Wide Web (Web). It discusses that the Internet is a worldwide network that connects millions of computers and has no central ownership or management. The Web is a system of interlinked hypertext documents accessed via the Internet. Web pages are written in HTML and have URLs to identify their location. Users can access the Internet through schools, businesses, or Internet Service Providers. Common activities on the Internet include email, file transfers, discussion groups, and surfing the Web. The document also reviews Internet applications like chat and instant messaging.
Internet is a global network that connects millions of computers allowing them to share information. It connects computers through cables, telephone wires, or wireless connections. The internet can be used to search for information on any topic, share information with others, send and receive emails, engage in online shopping, play games, use social media, listen to music, and watch videos. To access the internet, a computer requires a modem, software, and an internet service provider (ISP) that connects to telephone or cable lines. Common internet terms include websites, web pages, home pages, browsers, and ISPs. Internet Explorer is a common web browser pre-installed on Windows computers.
The document provides an overview of the history and structure of the Internet. It discusses how the Internet began as ARPANET, a network developed by the US Department of Defense in the 1960s. It grew to connect hundreds of thousands of individual networks worldwide, transmitting data through packet switching and protocols like TCP/IP. The Internet has no central ownership or management. Websites are hosted on servers and accessed by clients using browsers, with pages identified by URLs linking to domain names and file paths.
Internet and intranets allow computers to connect and share information. The internet is a global network accessible publicly, while an intranet is a private internal network for an organization. Websites and applications use various technologies like HTML, CSS, JavaScript, and PHP to design interfaces and add interactivity. E-commerce involves businesses conducting transactions online, while e-business refers more broadly to managing business operations using internet technologies.
- In the 1970s, protocols for transferring information over the internet were developed, and in the early 1980s new groups and email emerged. Tim Berners-Lee is considered the father of the internet and creator of the World Wide Web in 1991. The internet is a vast collection of global networks that allows people to share information and communicate internationally. It requires a computer, modem, phone line, software, and internet service provider to connect. Common internet uses include communication, research, entertainment, and e-commerce.
The document defines key Internet and web technology terms like Internet, IP, TCP, UDP, domain names, URLs, web browsers, intranets and extranets. It provides details on the basic protocols like IP, TCP and UDP that underlie internet communication and data transmission. It also explains common internet concepts such as domains, top-level domains, hosts, ports and addresses that are fundamental to understanding how computers connect and communicate over the internet.
Planning for teaching, Internet, importance of internet, network, some important reasons for networking, applications of network, benefits of network, types of network, entering URL, Navigation buttons, browsing internet, uniform resource locator, email, email address, parts of mail, attach files to message, email features
The document discusses information and communication technologies in education, focusing on the internet and the world wide web. It defines key terms like internet, intranet, extranet, and ethernet. It explains how the internet functions as a network of networks using protocols. The document outlines the history of the internet from its origins as ARPANET and the key developments that led to its growth. It defines the world wide web and how information is accessed on the web using browsers, search engines, and uniform resource locators (URLs). The client-server model of website development and common scripting languages used are also summarized.
The document defines key Internet terms and concepts, describes Internet browsers and services, and outlines the benefits of the Internet. It defines the Internet as a global system of interconnected computer networks that share information using communication protocols. It describes common Internet terms like homepage, web page, browsing, and web browser. It also covers Internet services like email, chat, file transfer, and discusses benefits like online banking, communication, research, e-commerce, and online education.
This document discusses various formatting options in Microsoft Word, including:
- Aligning paragraphs by applying styles such as left, center, right, and justified alignment.
- Changing line and paragraph spacing to improve readability.
- Indenting text by adjusting left margins and tab stops.
- Inserting page breaks to control where content flows to new pages.
The document provides instructions on how to access formatting tools in Word and apply various formatting options like styles, spacing, indentation, and page breaks to paragraphs.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols, and the Web consists of hyperlinked web pages in HTML format. It describes how to access the Internet through schools, businesses, or Internet Service Providers, and how domain names and URLs allow users to locate and access specific web page files.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through cyberspace rather than physical space. The Web consists of hyperlinked web pages in HTML format that are accessed through browsers. URLs containing IP addresses or domain names are used to locate specific web pages on servers. Search engines help users find information on the Web by topic or keywords.
The document provides an overview of the Internet and World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols, and has no central ownership or management. The Web consists of hyperlinked web pages in HTML format that reside on web servers and can be accessed via URLs using the HTTP protocol. Information is found on the web through search engines that allow searching by topic or keywords.
Css Founder is Website Designing Company working with the mission of Website For Everyone Website Start From 999/-* More Packages are available. we are best company in website designing company in Delhi, as we are also working in Website Designing company in Mumbai.
Internet and Its Services - what kind of service do access thru the InternetKriz Motlhala
The document discusses the history and development of the internet. It describes how the internet originated from ARPANET and grew as organizations connected their networks. It explains how individuals connect to the internet through ISPs and the different types of internet connections including broadband, DSL, cable and satellite. Finally, it outlines some common internet services such as email, social media, browsing the web, and how information can be searched on the world wide web.
The document provides an overview of the Internet and the World Wide Web. It discusses that the Internet connects hundreds of thousands of networks globally through TCP/IP protocols. The Web consists of hyperlinked web pages in HTML format that are accessed using browsers. Information is located on the Web through domain names, URLs, and search engines which allow users to find information by topic or keywords.
The document discusses what the Internet is, providing a brief history and overview of its key components and features. It explains that the Internet is a worldwide network of interconnected computer networks that uses common communication standards like TCP/IP. It describes how data is transmitted across networks via packets and how domains and IP addresses allow devices to be uniquely identified. Major Internet applications like the World Wide Web, email, file transfers, chat, and newsgroups are also summarized.
This document provides an overview of hardware and software used for e-business, including the internet, internet service providers, web browsers, web servers, and factors to consider when planning a web server. It defines key terms like IP addresses, domain names, URLs, HTML, and describes basic internet functions like email, file transfer, and how to find information on the web using search tools.
Introduction to computer along with operating system, peripheral devises, types, basic concepts and basic components that are necessary to make computer function.
From Govt. Post Graduate College Chakwal by Sir Waqas-u-Din.
The document provides an overview of the Internet and the World Wide Web (Web). It discusses that the Internet is a worldwide network that connects millions of computers and has no central ownership or management. The Web is a system of interlinked hypertext documents accessed via the Internet. Web pages are written in HTML and have URLs to identify their location. Users can access the Internet through schools, businesses, or Internet Service Providers. Common activities on the Internet include email, file transfers, discussion groups, and surfing the Web. The document also reviews Internet applications like chat and instant messaging.
Internet is a global network that connects millions of computers allowing them to share information. It connects computers through cables, telephone wires, or wireless connections. The internet can be used to search for information on any topic, share information with others, send and receive emails, engage in online shopping, play games, use social media, listen to music, and watch videos. To access the internet, a computer requires a modem, software, and an internet service provider (ISP) that connects to telephone or cable lines. Common internet terms include websites, web pages, home pages, browsers, and ISPs. Internet Explorer is a common web browser pre-installed on Windows computers.
The document provides an overview of the history and structure of the Internet. It discusses how the Internet began as ARPANET, a network developed by the US Department of Defense in the 1960s. It grew to connect hundreds of thousands of individual networks worldwide, transmitting data through packet switching and protocols like TCP/IP. The Internet has no central ownership or management. Websites are hosted on servers and accessed by clients using browsers, with pages identified by URLs linking to domain names and file paths.
Internet and intranets allow computers to connect and share information. The internet is a global network accessible publicly, while an intranet is a private internal network for an organization. Websites and applications use various technologies like HTML, CSS, JavaScript, and PHP to design interfaces and add interactivity. E-commerce involves businesses conducting transactions online, while e-business refers more broadly to managing business operations using internet technologies.
- In the 1970s, protocols for transferring information over the internet were developed, and in the early 1980s new groups and email emerged. Tim Berners-Lee is considered the father of the internet and creator of the World Wide Web in 1991. The internet is a vast collection of global networks that allows people to share information and communicate internationally. It requires a computer, modem, phone line, software, and internet service provider to connect. Common internet uses include communication, research, entertainment, and e-commerce.
The document defines key Internet and web technology terms like Internet, IP, TCP, UDP, domain names, URLs, web browsers, intranets and extranets. It provides details on the basic protocols like IP, TCP and UDP that underlie internet communication and data transmission. It also explains common internet concepts such as domains, top-level domains, hosts, ports and addresses that are fundamental to understanding how computers connect and communicate over the internet.
Planning for teaching, Internet, importance of internet, network, some important reasons for networking, applications of network, benefits of network, types of network, entering URL, Navigation buttons, browsing internet, uniform resource locator, email, email address, parts of mail, attach files to message, email features
The document discusses information and communication technologies in education, focusing on the internet and the world wide web. It defines key terms like internet, intranet, extranet, and ethernet. It explains how the internet functions as a network of networks using protocols. The document outlines the history of the internet from its origins as ARPANET and the key developments that led to its growth. It defines the world wide web and how information is accessed on the web using browsers, search engines, and uniform resource locators (URLs). The client-server model of website development and common scripting languages used are also summarized.
The document defines key Internet terms and concepts, describes Internet browsers and services, and outlines the benefits of the Internet. It defines the Internet as a global system of interconnected computer networks that share information using communication protocols. It describes common Internet terms like homepage, web page, browsing, and web browser. It also covers Internet services like email, chat, file transfer, and discusses benefits like online banking, communication, research, e-commerce, and online education.
This document discusses various formatting options in Microsoft Word, including:
- Aligning paragraphs by applying styles such as left, center, right, and justified alignment.
- Changing line and paragraph spacing to improve readability.
- Indenting text by adjusting left margins and tab stops.
- Inserting page breaks to control where content flows to new pages.
The document provides instructions on how to access formatting tools in Word and apply various formatting options like styles, spacing, indentation, and page breaks to paragraphs.
The POCSO Act was enacted in 2012 to specifically address sexual offenses against children as existing laws were insufficient. It provides protection to children under 18 and comprehensive definitions of sexual abuse offenses. Recent cases highlighted in the document involve sexual assault and abuse of minor boys and girls. The Act incorporates child-friendly reporting and legal procedures. Medical examinations can be conducted without a police requisition and doctors must inform police and provide treatment. The role of Child Welfare Committees is also outlined in relation to rehabilitation of child victims.
APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
Ellisha Heppner, Grant Management Lead, presented an update on APNIC Foundation to the PNG DNS Forum held from 6 to 10 May, 2024 in Port Moresby, Papua New Guinea.
Instagram has become one of the most popular social media platforms, allowing people to share photos, videos, and stories with their followers. Sometimes, though, you might want to view someone's story without them knowing.
Discover the benefits of outsourcing SEO to Indiadavidjhones387
"Discover the benefits of outsourcing SEO to India! From cost-effective services and expert professionals to round-the-clock work advantages, learn how your business can achieve digital success with Indian SEO solutions.
Understanding User Behavior with Google Analytics.pdfSEO Article Boost
Unlocking the full potential of Google Analytics is crucial for understanding and optimizing your website’s performance. This guide dives deep into the essential aspects of Google Analytics, from analyzing traffic sources to understanding user demographics and tracking user engagement.
Traffic Sources Analysis:
Discover where your website traffic originates. By examining the Acquisition section, you can identify whether visitors come from organic search, paid campaigns, direct visits, social media, or referral links. This knowledge helps in refining marketing strategies and optimizing resource allocation.
User Demographics Insights:
Gain a comprehensive view of your audience by exploring demographic data in the Audience section. Understand age, gender, and interests to tailor your marketing strategies effectively. Leverage this information to create personalized content and improve user engagement and conversion rates.
Tracking User Engagement:
Learn how to measure user interaction with your site through key metrics like bounce rate, average session duration, and pages per session. Enhance user experience by analyzing engagement metrics and implementing strategies to keep visitors engaged.
Conversion Rate Optimization:
Understand the importance of conversion rates and how to track them using Google Analytics. Set up Goals, analyze conversion funnels, segment your audience, and employ A/B testing to optimize your website for higher conversions. Utilize ecommerce tracking and multi-channel funnels for a detailed view of your sales performance and marketing channel contributions.
Custom Reports and Dashboards:
Create custom reports and dashboards to visualize and interpret data relevant to your business goals. Use advanced filters, segments, and visualization options to gain deeper insights. Incorporate custom dimensions and metrics for tailored data analysis. Integrate external data sources to enrich your analytics and make well-informed decisions.
This guide is designed to help you harness the power of Google Analytics for making data-driven decisions that enhance website performance and achieve your digital marketing objectives. Whether you are looking to improve SEO, refine your social media strategy, or boost conversion rates, understanding and utilizing Google Analytics is essential for your success.
Ready to Unlock the Power of Blockchain!Toptal Tech
Imagine a world where data flows freely, yet remains secure. A world where trust is built into the fabric of every transaction. This is the promise of blockchain, a revolutionary technology poised to reshape our digital landscape.
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2. Objectives
At the end of the session you will be able to :
• Explain what the Internet is
• Explain the history of the Internet in India
• List the advantages of the Internet
• Connect to the Internet
• List the services available on the Internet
• The World Wide Web and its features
• Identify URLs or Web addresses
• Start Internet Explorer
• Browse the Internet
3. Objectives (Continued)
• Explore Web sites
• Change the home page
• Add pages to the Favorites list and revisit those
pages
• Stop downloading a Web page
• Revisit recently viewed Web pages
• Refresh a Web page
• Download files and images from the Web
• Make Web pages available offline
• Delete temporary Internet files
4. What is the Internet?
Internet:
– Is a worldwide network of computer networks
– Connects millions of computers all over the world
– Is a network where computers across different
locations communicate with each other
– Is very popular because of its flexibility, ease of use
and speed
– Speed is measured in Kbps, where Kbps stands for
Kilobits per second. It is a measure of data
transferring speed
5. Social History of the Internet in India
• In India, VSNL started providing Internet
services in India from August 1995
• Services were initially offered from Mumbai,
New Delhi, Calcutta and Chennai
• By 1998, the services were expanded to cover
a network of 42 nodes
• This network was operated by the Department
of Telecommunication (DOT) and VSNL
6. Social History of the Internet in India
(Contd..)
• Later companies, such as Sify, BSNL and
Dishnet also started providing Internet services
• From 1995 to 2002, the internet users had
increased to 5 million
• Through this period the Net connections had
risen to 1.5 million
7. Advantages of the Internet
• The Internet
– Provides information on all topics
– Can be accessed by people across the globe
– Is simultaneously all the following:
• Network
• Medium
• Market
• Transaction
• Source of Information
8. The Internet as a Network
The Internet as a Network
• Is used in the organisations as a private
network
• Is used for linking offices and employees
• Is used for transferring official data
• Is used for conducting meetings and
conferences
9. The Internet as a Medium
The Internet as a medium
• Is used as an effective means of communication
– For product marketers
– For corporate communications
10. The Internet as a Marketplace
The Internet as a market
• Is a vast virtual market
• Used in companies to promote their products by
advertising them on the Internet
• Used for ordering products
– This is called online shopping or e-shopping
11. The Internet as a Transaction Platform
The Internet as a Transaction Platform
• Is used to complete business transactions online
by connecting to
– Suppliers
– Customers
• Used to complete financial transactions online by
connecting to
– Financial institutions
12. The Internet as a Source of Information
The Internet as a Source of Information
• Is used to search for information on any topic
• Is also used to share information over the Internet
by using various Internet services, such as
– E-mail
– Chat
– Bulletin Boards
13. Connecting to the Internet
Connecting a computer to the Internet:
– Is the process of connecting a computer with
another computer that provides the Internet services
14. Connecting to the Internet (Contd..)
To connect to the Internet, you need the
following:
• Computer
– Must have at least 16 megabytes of RAM
• Browser
– Is a software program that is required to view Web
pages on the Web
• Telephone line
– Used to get connected to the Internet through a
service provider
15. Connecting to the Internet (Contd..)
• Internet Connection
– Modem and telephone line are generally used for
internet connection, but broadband connections are
gaining in popularity
• Internet Service Provider (ISP)
– It is a company that provides access to the Internet
– It has computers that are always connected to the
Internet
– Computers are connected to an ISP through
telephone lines
– An ISP connects to the Internet through satellites
16. Connecting to the Internet (Contd..)
• Modem
– Stands for modulator/demodulator.
– It helps your computer to communicate with
another computer.
– Modulation is the process of converting digital
information from a computer into analog signals
that can be transmitted over the public telephone
network.
– Demodulation is the process of converting the
analog signals back to digital signals that can be
understood by the computer at the receiving end.
18. Types of Internet Connection
There are three different ways of connecting to
the Internet. They are:
• Dedicated Internet connection
• Dial-up Internet connection
• Broadband Internet connection
19. Dedicated Internet Connection
• It helps you to gain access to the Internet
directly
• It allows your computer to remain connected to
the Internet all the time
• You do not have to dial up, as you do with a
standard modem connection
• It requires a leased telephone line rented from a
telephone company
• It is quite expensive because it requires special
hardware
20. Dial-up Internet Connection
• You have to purchase this type of Internet
connection from an ISP
• It is for a stipulated number of hours or for a
specific duration
• On purchase the ISP provides you with a CD
that contains
– A software package, a user name, and a password
21. Dial-up Internet Connection (Contd..)
• You have to install the software on the CD to
activate the connection
• After installation, you can connect to the ISP by
dialling the ISP’s phone number
• You need a telephone line to connect to the ISP
• You have to provide your user name and
password when you dial the ISP’s number
22. Dial-up Internet Connection (Contd..)
• The user name and password check whether
you are an authorised user
• While using a dial-up connection you cannot
make or receive a phone call
23. Broadband Internet Connection
• It allows a great amount of information to pass
through a high-capacity cable
• It is a high-speed permanent connection to the
Internet
• It uses a DSL (Digital Subscriber Line) or a cable
modem to connect to the Internet
24. Broadband Internet Connection
(Contd..)
• It can send and receive vast amounts of data up
to 10 to 40 times faster than a standard dial-up
connection
• It uses a fibre-optic cable to transmit data at high
speeds
25. The World Wide Web
• It refers to the collection of information
accessible on the Internet
• It is also referred to as the Web
• It consists of millions and millions of pages of
text, pictures, sounds and animation on various
topics
• These pages are called Web pages
• They are stored on different computers that are
connected to the Internet
26. The World Wide Web (Contd..)
• The Web pages have certain words and pictures
which when clicked take you to another web
page
• These words or pictures are called hyperlinks
• A collection of related Web pages is known as a
Web site
• A Web site can be accessed by means of the
unique name assigned to it
• You need a browser to view Web pages
27. The World Wide Web (Contd..)
Differences between Internet and World Wide
Web are:
28. Web Features
Some of the services and features of the World
Wide Web are :
• E-mail
• Newsgroups
• Chat Rooms
• Search Engines
• LISTSERV
29. E-mail
• It is the most commonly used Internet service
• You can send and receive messages almost
instantly
• Several ISPs provide free e-mail accounts
• You can also attach a variety of file types to a
message
30. Newsgroups
• They are discussion groups on the Internet
• You can have discussions on a wide range of
topics
• Some groups are free and some need you to
subscribe
• You can read, write and post articles to the
newsgroups
• You can use e-mail to communicate with fellow
users
31. Chat Rooms
• Websites that you can use to chat with other
users on the Internet
• Chatting refers to the exchange of typed
messages between two or more users
• You can logon to the chat room by using Internet
Chat software
• In a chat software you can type messages in
one window and receive replies in another
window
33. Search Engines
• Are used to search for information on the Web
• Searches for the keywords and returns links to
relevant Web sites for you to choose from
• Helps to collect information on any topic of your
choice
• As teachers, you can use search engines to
collect information on your subject or latest
trends in education
34. Search Engines (Contd..)
• You can download images related to your
subject to explain a topic more clearly
• Several tutorials and PowerPoint presentations
are available on various subjects on the Web
35. LISTSERV
• It is a system that is used to create, manage and
control electronic mailing lists
– On the Internet
– On a corporate network
• It is a registered trademark licensed to L-Soft
International, Inc
• To subscribe to a LISTSERV, you can send an
e-mail message to a computer program called a
LISTSERVER
36. LISTSERV (Contd..)
• A variety of topics are covered by LISTSERV
systems
• It automatically sends you e-mail messages from
other subscribers
• The communication transmitted as e-mail are
available only to members of the LISTSERV
mailing list
37. Web Addresses or URLs
• Each Web site has a unique address commonly
referred to as a URL
• URL stands for Uniform Resource Locator
• A URL specifies the exact location of the Web
page on the Internet
• Certain conventions needs to be followed to
name a Web Page
38. Web Addresses or URLs (Contd..)
A typical URL would be:
http://www.microsoft.com/catalog/navigation.asp
scheme host domain dataname
path
http:// :
• Identifies the protocol necessary to retrieve the file.
• Protocol is a set of rules that enables computers to exchange information.
•There are several protocols used on the WWW.
www indicates that the Web site is on the Web
Microsoft indicates the name of the Web site
.com indicates the type (in this case commercial) of the Web site
catalog/navigation.asp specifies the path of the file stored on the Web server’s hard disk
39. Web Addresses or URLs (Contd..)
URL Suffix Represents
.co Company
.com Commercial organisation
.edu Educational institution
.mil Military site
.net Networking organisation
.gov Government department
.int International organisation
.org Non-profit organisation
.in India
.us United States
The last three letters in a URL provides information about
the type of organisation the Web site belongs to
40. Web Addresses or URLs (Contd..)
URL Suffix Represents
.uk United Kingdom
.ca Canada
.my Malaysia
.lk Sri Lanka
.au Australia
41. Introduction to Internet Explorer
The Microsoft Internet Explorer
– Is a web browser
– Is developed by Microsoft
– Is one of the components of the Microsoft Windows
XP operating system
– Is used to download and display Web pages on the
Web
44. The Internet Explorer Interface
The Toolbar in IE provides navigation buttons that can be
used to explore the Web
The Address bar displays the address of the
Web page you are currently viewing
45. Browsing the Internet
• Browsing the Internet
– Refers to viewing and navigating Web pages
• Navigating Web pages
– Refers to moving through the Web pages stored on
the Web
46. Browsing the Internet (Contd..)
To view the Microsoft Web Site:
•Type www.microsoft.com in the Address bar
•Press the Enter key
47. Browsing the Internet (Contd..)
The first page of a Web site is called its home page
You can navigate to other pages in the Web site by using the hyperlinks
The Microsoft home page appears
When you point to a hyperlink, the pointer changes to a hand
Click Back, to go back to the previous page you viewed
Click Forward, to return to the page from where you clicked Back
Click the Close button, to close Internet Explorer
49. Exploring the Web with Internet
Explorer
You are familiar with the process of:
– Starting Internet Explorer
– Browsing the Web
50. Internet Explorer Features
• The Internet Explorer Toolbar
– Provides various navigation buttons that can be used
to move thorough the web pages
• The Hyper links on a page
– Are used to move from one page of a Web site to
another page of the same Web site or to a different
Web site by just clicking it
51. The Internet Explorer Toolbar
For example, the Microsoft home page displays several hyperlinks
To view information about Office:
Click the hyperlink Office on the left
side of the Microsoft home page
52. The Internet Explorer Toolbar (Contd..)
The Web page that provides information about Office products is displayed
53. The Internet Explorer Toolbar (Contd..)
To return to the previously visited Web page
Forward
To terminate the operation currently being performed by the browser
To retrieve a Web page again
•Clicking this button updates the content of the
current Web page with the latest content
To move to the Web page you were viewing before you clicked the Back button
Back Stop
Refresh
Home
To navigate to the default home page of the browser
Buttons on the IE Toolbar and their Functions are:
54. The Internet Explorer Toolbar (Contd..)
To search the Web for information on a particular topic
Search
Favorites Media
To display the list of your favourite pages
To play music, video, and multimedia files
History
To display the list of Web sites and pages that you have already visited
55. The Internet Explorer Toolbar (Contd..)
Print
Mail
To read and send e-mail
To print the current Web page
56. Changing the Default Home Page
• If you view a Web page often and want the Web
page to appear automatically when you start
Internet Explorer:
– Set the page as your home page
The first Web page that appears whenever you start
Internet Explorer is called the default home page
57. Changing the Default Home Page
(Contd..)
Suppose you want to set your default home page to http://www.google.co.in
•Open the Web page
The home page of the Google Web site appears
59. Changing the Default Home Page
(Contd..)
The Internet Options dialog box appears
On the General tab
Under the Home
page section
Click Use Current
The Address http://www.google.co.in appears in the Address box
Click Apply
Click OK
When you open the browser window the next time, the home
page of the Google Web site will appear automatically
60. Adding a Web Site to Your Favorites
List
Advantages of adding a website to your favorites
list are:
• Stores shortcuts to your favorite Web pages
• Eliminates the need to remember the addresses
of the Web pages
• Opens the Web page easily by clicking the
shortcut
61. Adding a Web Site to Your Favorites
List (Contd..)
On the Favorites menu,
click Add to Favorites
To add a Web page to your Favorites list
•Open the page
62. Adding a Web Site to Your Favorites
List (Contd..)
The Add Favorite dialog box appears
Click the folder to which you want to add the web page
Click New Folder, if you want to add the Web page to a new folder
63. Adding a Web Site to Your Favorites
List (Contd..)
The Create New Folder dialog box appears
Enter a name for the folder in the Folder name box
Click OK
64. Adding a Web Site to Your Favorites
List (Contd..)
The folder is created
Click OK
The shortcut to the Web Page will be added to your list of favourite pages
65. Tracking Your History of Recently
Viewed Web Pages
• History feature :
– Helps to get the address of the Web page that is not
stored in the Favorites list
– Contains a list of all the Web pages visited
– Stores the links for Web sites and pages visited in
previous days and weeks
66. Tracking Your History of Recently
Viewed Web Pages (Contd..)
To revisit a Web page you visited earlier:
•Click the History button on the toolbar
Click a week or day
The list of Web sites you viewed during the day or week is displayed
Click a Web site to view the list of Web pages you visited
The History pane appears
67. Tracking Your History of Recently
Viewed Web Pages (Contd..)
Click the Web page icon to view the Web page
69. Clearing the History Folder (Contd..)
Under History
On the General tab
The Internet Options dialog box appears
Click Clear History
70. Clearing the History Folder (Contd..)
The Internet Options message appears, asking you
to confirm that you want to clear the history folder
Click Yes, if you want to clear the contents of the History folder
Click No, if you do not want to clear the contents
71. Selecting Number of Days to Keep
Pages in History
To specify the number of days you want to store
the Web pages in the History folder
2
1
72. Selecting Number of Days to Keep
Pages in History (Contd..)
On the
General tab
Under
History
Select the
number of days
Click OK
The History folder will maintain the links and Web
pages you visit for the specified number of days
73. Opening Multiple Browser Windows
You can:
– Open more than one browser window at the same
time
– View a Web page and also view a link on the page at
the same time
74. Opening Multiple Browser Windows
(Contd..)
To open a link in a new window
Right-click on the link Click Open in
New Window
The Web page opens in a new browser window
75. Stopping a Web Page from Loading
When the Web page takes a long time to load:
• Stop the process by clicking the Stop button
76. Returning to Favourite Pages
To view a Web page added to Favorites list
On the
Favorites
menu
Click the Web page to view
77. Returning to Favourite Pages (Contd..)
The page is displayed in the right pane of the browser window
78. Refreshing a Web Page
Refresh button:
• Helps you to view updated and latest version of the Web
page
To refresh a page
• Click Refresh button on the toolbar
80. Internet Explorer File Management
With Internet Explorer you can:
• View Web pages
• Save
– Files
– Programs
– Sounds
– Pictures
81. Downloading Files
You can download from the Web:
• Interesting Web pages
• Downloadable games, software, files, and
images
82. Downloading Files (Contd..)
To download a program MSN Messenger
Open Internet Explorer
Type http://messenger.msn.com in the
address bar, and then press the Enter key
83. Downloading Files (Contd..)
Click the Download Now button to download the
latest version of the MSN Messenger software
MSN Messenger screen appears
86. Downloading Files (Contd..)
A dialog box displaying the progress
of the downloading process appears
To close the dialog box automatically
when the download process is completed
Select the check box
88. Downloading Files (Contd..)
When the installation process is over
•MSN Messenger window appears automatically
•Use this window to sign in to MSN Messenger
90. Downloading Files (Contd..)
Save Picture dialog box appears
Enter a name
for the picture Click Save
Specify the format
The picture is saved in the specified location
91. Downloading Files (Contd..)
Picture toolbar appears
Click the Save this image
button to save the image
On some Web sites, when you point to the image
92. Deleting Temporary Files
• Temporary Internet files folder
– Stores recently visited web pages and files
• If the number of files in the temporary internet
files folder increases, then:
– The space for storing other files on the hard disk
decreases
– The speed of the browser also decreases
– Web pages will take a lot of time to download
94. Deleting Temporary Files (Contd..)
The Internet Options dialog box appears
On the
General tab
Click Delete Files
95. Deleting Temporary Files (Contd..)
If you want to delete the offline content too
Delete Files dialog box appears
Select check box
Click OK
All the temporary files in the temporary
Internet files folder are deleted
96. Working Offline
You can view your favourite Web page without
connecting to the internet by:
• Saving the web page on your computer
– In this method:
• The updated contents of the web page cannot be
viewed
• The web page has to be saved in a specified location
• Using the Offline feature of the Web browser
– In this method:
• The web page appears in the Favorites list of the
browser
101. Working Offline (Contd..)
The Web page is now available offline
The title bar shows the status information “Working Offline”
along with the title of the Web page