1. EUT 122 Skills and Technology in Communication*
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Miss Zainab Nazar Khalil Wafi
Miss Wan Nor Ashiqin Wan Ali
Lecturers IKOM / Jajawi *

2. THE INTERNET AND THE WORLD WIDE WEB*
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Topic 4
THE INTERNET AND THE WORLD WIDE WEB *

3. OBJECTIVES Explain the definition of Internet.*
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OBJECTIVES
Explain the definition of Internet.
Describe methods for accessing the Internet.
Define and differentiate between the Internet and the World Wide Web. *

4. *
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OBJECTIVES
Explain how search operators can improve Web search results.
List the most popular Internet services and explain what they do.
Identify and describe the three types of e-commerce.
Become familiar with safe surfing procedures. *

5. *
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INTERNET
Definition:
Internet is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals *

6. INTERNET 1969 ARPANET becomes functional*
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INTERNET
1969 ARPANET becomes functional
1984 ARPANET has more than 1,000 individual computers linked as hosts
1986 NSF connects NSFnet to ARPANET and becomes known as the Internet
1996 Internet is founded
Today More than 550 million hosts connect to the Internet *

7. INTERNET Methods to access the Internet*
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INTERNET
Methods to access the Internet
Dial-up access connects users to the Internet through a modem and a telephone line.
Digital subscriber line (DSL) is a high-speed online connection that requires a special external modem with telephone lines.
Cable access provides a high-speed Internet connection using a cable modem, not a phone line. *

8. Digital Subscriber Line (DSL)*
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Dial-up access
Digital Subscriber Line (DSL) *

9. INTERNET Methods to access the Internet*
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INTERNET
Methods to access the Internet
Satellite access requires a satellite dish in addition to a phone line and modem for an Internet connection.
Satellite for high-speed downloading
Phone line and modem for uploading
Fiber-optic service (FiOS) provides extremely fast Internet access through fiber-optic lines that run directly to users’ homes. No modems are required. *

10. INTERNET SERVICES *
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Electronic mail ( ) is a type of application software that makes sending and receiving messages through computer networks possible.
Click to add notes *

11. *
INTERNET SERVICES
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Instant messaging (IM) systems allow immediate, real-time communication with contacts. *

12. *
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INTERNET SERVICES
Social networking helps people connect. Social networking sites like MySpace provide the ability to create large communities online.
Internet relay chat (IRC) is a special type of Internet service that gives users the ability to join chat groups called channels.
Click to add notes *

13. Example of Internet relay chat (IRC)- kampung channel*
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Example of Internet relay chat (IRC)- kampung channel *

14. *
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INTERNET SERVICES
Electronic mailing lists are similar to newsgroups and forums, except that:
Only subscribers can receive and view messages.
Messages posted to the mailing list are automatically sent to everyone on the list.
Click to add notes *

15. *
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INTERNET SERVICES
File Transfer Protocol (FTP) is a method used to transfer files over the Internet.
Use when files are too large to attach to s.
Avoid sending sensitive material to an anonymous FTP site.
Use to upload Web pages. *

16. *
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INTERNET
Netiquette is a series of guidelines for good manners when using an Internet service.
Flames are angry messages sent by other users.
Click to add notes *

17. *
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INTERNET
Click to add notes *

18. WORLD WIDE WEB (WWW) The World Wide Web (WWW), also known as the Web:*
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WORLD WIDE WEB (WWW)
The World Wide Web (WWW), also known as the Web:
Contains billions of documents
Accessing information over the Internet
Transport information to and from users. *

19. WORLD WIDE WEB (WWW) Components of WWW:*
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WORLD WIDE WEB (WWW)
Components of WWW:
A Web page is a document that may include text, graphics, sound, animation and video.
A Web site is a collection of Web pages.
A Web browser is a program that displays Web pages and linked items.
Web servers store the information of the Website
Accept request
Process request
Reply
Click to add notes *

20. WORLD WIDE WEB (WWW) The most popular Web browsers Mozilla Firefox*
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WORLD WIDE WEB (WWW)
The most popular Web browsers
Mozilla Firefox
Internet Explorer
Plug-ins are software programs that browsers use for extra features such as sound and video. *

21. WORLD WIDE WEB (WWW) Ways to access a Web page*
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WORLD WIDE WEB (WWW)
Ways to access a Web page
Type a Uniform Resource Locator(URL) into the address bar.
Click a tab in the browser window.
Click a hyperlink.
The history list compiles a list of the Web pages that the user has visited. *

22. WORLD WIDE WEB (WWW) WWW services:*
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WORLD WIDE WEB (WWW)
WWW services:
Downloading is the process of transferring a file or document from one computer to the user’s computer.
Uploading is the process of transferring a file or document from the user’s computer to another computer.
Click to add notes *

23. internet vs. www Is a networking infrastructure (the largest WAN).*
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internet vs. www
INTERNET
WWW (WEB)
Is a networking infrastructure (the largest WAN).
Is a way of accessing information over the Internet.
It connects millions of computers together globally.
It links to each other via hyperlinks.
Information that travels over the Internet must use protocols (TCP/IP).
The Web use HTTP protocol to transmit information over the Internet. *

24. WEB ADDRESSES protocol server path resource name
A Web page has a unique address called a URL (Uniform Resource Locator) or Web address
A complete URL has four parts :
Protocol
Server
Path
Resource name.
protocol server path resource name

25. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
A subject guide, where Web pages are grouped under specific headings, is offered by some search sites.
This is Figure 6.18. *

26. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
This is Figure 6.18.
Select a category or subcategory to start search
Many subject guides includes a search tool for searching their site *

27. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
Search engines are the index databases of Web pages to enable fast information searches.
This is Figure 6.19. *

28. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
Specialized search engines index information such as job advertisements, names and addresses.
Some Web site home pages include portals, which provide organized subject guide links to topics such as the news, local weather, and .
Click to add notes *

29. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
Example of a portal
This is Figure 6.21. *

30. FINDING INFORMATION ON THE WEB*
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FINDING INFORMATION ON THE WEB
Search operators are used to perform complex searches.
Click to add notes *

31. *
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E-COMMERCE
E-commerce is the conducting of business through the use of the Internet.
Business-to-Business (B2B) E-Commerce refers to a business providing supplies to other businesses via the Internet.
Click to add notes *

32. *
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E-COMMERCE
Consumer-to-Consumer (C2C) E-Commerce refers to the exchange of business between individuals. eBay is a good example.
Business-to-Consumer (B2C) E-Commerce refers to shopping online rather than at a physical store.
Click to add notes *

33. E-COMMERCE Online Shopping Shop for good deals.*
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E-COMMERCE
Online Shopping
Shop for good deals.
Use shopping portals such as mudah.my to compare prices and products.
Look for coupons and rebates.
Click to add notes *

34. E-COMMERCE Guidelines for Safe Surfing*
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E-COMMERCE
Guidelines for Safe Surfing
Install antivirus and antispyware utilities to avoid malware, programs designed to damage computer systems.
Buy only from legitimate businesses.
Use secure sites with in address, a locked padlock symbol, etc.
Protect your identity.
Protect children from unhealthy contact.
Click to add notes *

35. *
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SUMMARY
The World Wide Web, which is made up of billions of hypertext documents, uses the Internet.
Web browsers display Web documents and give users the ability to use linked documents.
A URL is made up of a protocol, a domain, a path, and a resource name. *

36. *
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SUMMARY
Search engines permit users to search the databases of the Web.
Web subject guides provide limited search results based on indexes.
The use of search operators and/or Boolean operators improves the efficiency of a search. *

37. SUMMARY E-commerce includes B2B, C2C, and B2C.*
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SUMMARY
E-commerce includes B2B, C2C, and B2C.
Follow safe surfing guidelines: avoid malware, use secured sites, and protect children. *