Introducing the Internet and The Web
Computer ConceptsUnit A
What Is Internet
Introducing the Internet and The Web
• How can I use the Internet to communicate with my friends around the world?– Electronic Mail (email)– Chat group– Instant Messaging (IM)– Voice Over IP (VoIP)
Introducing the Internet and The Web
• What is a Electronic Mail (email) ?– Most Popular way of communication.
Introducing the Internet and The Web
• What is Chat Group?– Consist of several people who connect to the
Internet and communicate in real time by typing comments to each other.
Introducing the Internet and The Web
• What is Instant Messaging (IM)?– IM allows you to send text messages, images, and
hyperlinks back and forth to another person instantly.
Introducing the Internet and The Web
• What is Voice Over IP (VoIP)?– Allows voice conversation to travel over
the Internet.– Requires special software at both ends of
the conversation.– Uses a headset with a microphone.– Offer video communication. Ex: Skype.
Introducing the Internet and The Web
• How else can I use the Internet to stay in touch with my friends?– Online social Network– Examples:• Linkedln• MySpace• Facebook
Online Social Network
Introducing the Internet and The Web
• Example:– Recycling blog
• What is a bolg?– Is a personal journal that can include not only text
but also images and videos.– The word blog comes from Web Log.
Introducing the Internet and The Web
• Is the Web the same thing as the Internet?– Web short for World Wide Web– Is a collection Web pages that are interconnected
through the use of hypertext or links.– Web page can include text, photos, videos,
animation, and sounds.
Introducing the Internet and The Web
• How do I view a Web page?– Use a program called browser.– Examples:
Firefox
Internet Explorer
Safari
Introducing the Internet and The Web
• Exercise:– Put the following labels to the picture that you
have.
• How do I navigate a Web site?– Navigation bar– Browser buttons
Address box URL picture
Hyperlink text back button
forward button home page button navigation bar
Introducing the Internet and The WebSearch Site
Key wordSearch Engine
Introducing the Internet and The Web
• How do I find information on the Web?• Search site:– Provides a variety of tools to help you find information
on the Web.• Keyword:– Any word or phrase that you type to describe the
information hat you are trying to find.
• Search engine:– Search site uses search engine to provide a list with
links to Web pages.
Introducing the Internet and The Web
• What is URL?– Every webpage has a unique address– URL stands for Uniform Resource Locator– A URL NEVER contains a space– Example:• http://www.nps/yose/index.htm
Web protocol
Web server Name
Folder Name
Document Name and file
extension
Introducing the Internet and The Web
• What does it mean when I see http:// in the Address box?– HTTP: Hypertext Transfer Protocol– Communication standards used t transport Web
pages over the Internet.• What does it mean when I see https:// like
https://mail.iat.ac.ae
Thank you
• Questions !!!