Introducing the Internet and The
Web
Computer Concepts
Unit 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.
Address box
URL
picture
Hyperlink
text
back button
forward button
home page button
navigation bar
• How do I navigate a Web site?
– Navigation bar
– Browser buttons
Introducing the Internet and The Web
Search Site
Key word
Search 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
Folder Name
Web server 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 !!!