LESSON ON INTERNET WEB BROWSERS
SUBJECT: Computer Science
TOPIC: The Internet Web Browsers
DATE: 20th May 2020
OBJECTIVES
At the end of these studies, students should be able to;
• Define Web Browser
• Examples of Web Browser
• State the features of Web Browser
• Define a Cookie
What is Web Browser?
A Web Browser is a software application for retrieving, presenting and passing out information resources on the World Wide Web. Information resource is identified by a Uniform Resources Identifier (URI) and may be a web page image, video, or other piece of content.
It is a software application to access information provided by servers. It brings information resources to the user. Retrieve, present, and traverse information resources on the World Wide Web.
Examples of Browsers:
• Google chrome
• Mozilla Firefox
• Opera
• Microsoft Internet Explorer
• Apple Safari
What is a cookie?
A cookie is a TEXT object sent by web server to a browser or on your hard drive.
It is intended for the server to maintain resource information on top of the basic http protocol
It can be used for a reminder log and passwords e.g. yahoo mail
Keep track of items in online shopping cart
Maintain a user profile e.g. interested news categories
Features of Web Browser
- All major web browsers allow the user to open multiple information resources at the same time
- A refresh and stop buttons for refreshing and stopping the loading current documents
- Home button that gets you to your home page
- Major browsers also include pop-up blockers to prevent unwanted windows from ‘popping up’ without the user’s consent
Exercises
- Define the term “Web Browser”
- Information resource is identified by _________________
- _________________ is a software application access information provided by servers
- _________________ is a TEXT object sent from a web server to a browser.
- State four (4) things you know a cookie can do
- What are the four (4) features of a web browser you have been taught.
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