Unit 1 – Internet Basics

Presentation 2

Web Programming

Objectives

At the end of this presentation, you will be able to

• Browse the Internet for information

• Search the Web

• Use different Searching Techniques

The World Wide Web

The World Wide Web

• A Web page is an electronic document that contains information in the form of text, pictures, audio or video.

• A Web site is a collection of related Web pages.

• WWW is a huge collection of such Web sites.

• The first page of a web site is called Home page.

Searching a Web page

1. Open Internet Explorer.

2. Type www.google.com.my in the Address bar and press the Enter key.

3. Type the keywords Malaysia colleges in the text box and click Google Search button.

4. The links of Web pages containing the keywords Malaysia and colleges are displayed on the screen.

5. Click any of these links to view the Web pages related to your search information.

Different Search Engines

• www.google.com• www.altavista.com• www.alltheweb.com• www.excite.com• www.hotbot.com• www.lycos.com• www.yahoo.com

AND operator in search keyword

• Searches for the pages on the Web that contains both the keywords before and after AND.

• For example, Colleges AND Malaysia makes the browser search for the pages that contain both Colleges and Malaysia.

OR Operator in Search Keyword

• Searches for the pages on the Web that contains either one of the keywords or both the keywords before and after OR.

• For example, Colleges OR Malaysia searches for the pages that contain either Colleges or Malaysia or both .

NOT Operator in search keyword

• Searches for the pages that does not contain the search keyword given after NOT.

• For example, Colleges NOT Malaysia makes the browser search for the Colleges that are not in Malaysia .

Hands-On!

Open a search engine, say www.google.com and type Online AND Conversion AND Computer in the text box and click Google Search button.

Activity 2.1.2

Search for the Web sites that provide information about the different ISPs available in your region.

Lab Exercise

1. Find out the list of universities in Malaysia using google search.

2. Find out the information about Petronas Twin Tower using any search engine.

3. Search the Web to find information about the World Cup Football Winners till now.

Lab Exercise

4. Search the Web sites to find information about the best Football players in the world.

5. Browse the Web for finding the details about Bachelor of Computer Science Programme in the various colleges of Malaysia.

6. Find out the USA International dialing code using search engine.

Lab Exercise

7. Search the Web using a search engine to find “Information about Internet” with and without double quotation marks and find the difference.

8.Search the Web page for “Tours and Travels in Malaysia” using the Yahoo search engine. Use the Boolean operators “or”, “not” instead of “and” in the search string and find the difference.

Lab Exercise

9.Collect the information about “Festivals in Malaysia” and document the information.

Summary

In this presentation, you learnt the following:• A Web page is an electronic document that

contains information in the form of text, pictures, audio or video.

• Web site is a collection of related Web pages.

• The first page of a web site is called Home page.

• World Wide Web shortly www is a huge collection of related Web sites.

Summary

• AND operator searches for the pages on the Web that contains both the keywords before and after AND.

• OR operator searches for the pages on the Web that contains either one of the keywords or both the keywords before and after OR.

• Not operator searches for the pages that does not contain the search keyword given after NOT.

Assignment

1. Expand WWW.

2. Define Home page.

3. State the different ways of searching a Web page.

4. Write short notes on using logical operators for searching a Web page.