Lesson Notes By Weeks and Term - Senior Secondary 3
Introduction to worldwide web (www)
Introduction to worldwide web (www)
Term: 1st Term
Week: 4
Class: Senior Secondary School 3
Age: 17 years
Duration: 40 minutes of 2 periods each
Date:
Subject: Computer Studies and ICT
Topic:- Introduction to Worldwide Web(www)
SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to
INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source
INSTRUCTIONAL MATERIALS: Videos, loud speaker, pictures, Data Processing for senior Secondary Education by Hiit Plc, WAPB Computer Studies for Senior Secondary III by Adekunle et al, On-line Materials.
INSTRUCTIONAL PROCEDURES
PERIOD 1-2
|
PRESENTATION |
TEACHER’S ACTIVITY |
STUDENT’S ACTIVITY |
|
STEP 1 INTRODUCTION |
The teacher reviews the previous lesson on network devices |
Students pay attention |
|
STEP 2 EXPLANATION |
He describes the worldwide web and states its meaning. He narrates the history of the worldwide web
|
Students pay attention and participates |
|
STEP 3 DEMONSTRATION |
He defines the basic terminologies of the worldwide web and lists the worldwide web protocols |
Students pay attention and participate |
|
STEP 4 NOTE TAKING |
The teacher writes a summarized note on the board |
The students copy the note in their books |
NOTE
INTRODUCTION TO THE WORLDWIDE WEB(www)
The full meaning of WWW is World Wide Web.
It is a series of servers that have been interconnected through hypertext.
Hypertext is one method of presenting information in which certain items are highlighted. By selecting one such highlighted text, you can obtain more information on the same topic.
The “Web” offers another service called uniform resource locator which allows you to locate data resident anywhere on the web.
BRIEF HISTORY OF WWW
The World Wide Web was developed by British physicist and computer scientist, Timothy Berners-Lee as a project within the European Organization for Nuclear Research (CERN) in Geneva, Switzerland.
Berners-Lee combined several existing ideas into a single system to make it easier for physicist to use data on the internet. Most important he added multimedia – the ability to include graphics to the hyperlink concept found in a precious internet service known as gopher.
Berners-Lee had begun working with hypertext in the early 1980s. As early prototype implementation of the Web became operational at CERN in 1989, and the idea quickly spread to universities and the rest of the world.
BASIC TERMINOLOGIES
This is a program that responds to requests from web browsers to retrieve resources. It is used to refer to the computer that runs the server program.
This is the first document displayed when you open a website. It contains links to other pages or other sites.
It is used to format a web document
It means Hyper Text Transfer Protocol. It defines how messages are fitted and transmitted, and what actions Web servers and browsers should take in response to various commands.
It is a location where web information is collected and made available wily to anyone with access to the internet.
A browser is a program which allows a computer to access information in internet. Opera Mini, Netscape Navigator and Microsoft Explorer, Mozilla fox, Safari are some examples of browsers.
They use graphical user interface (GUI) for searching, finding, viewing and managing information, browser unveils the content of WWW.
A document designed for viewing in a web browser. It is often written in HTML (Hypertext Markup Language).
Protocols are set of rules and regulations that determines how data is transmitted in telecommunication and computer network. It is the language for networked computers.
LIST OF www PROTOCOLS
Other protocols Include:
EVALUATION: 1. Describe worldwide web and state its meaning
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively