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Internet Basics 1

Internet Basics 1. Internet Basic includes two lessons: Lesson 1: The Internet Lesson 2: The World Wide Web. Lesson 1: The Internet Objectives. After completing this lesson, you will be able to: Define the Internet and elaborate on its uses.

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Internet Basics 1

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  1. Internet Basics 1 Internet Basic includes two lessons: Lesson 1: The Internet Lesson 2: The World Wide Web

  2. Lesson 1: The InternetObjectives After completing this lesson, you will be able to: Define the Internet and elaborate on its uses. Identify the different components required to connect to the Internet. Identify the features of different types of Internet connections. Explain the term bandwidth in relation to the different types of Internet connections.

  3. About the Internet The Internet is a collection of networks that are connected together for exchange of information. When the computer is connected to the Internet, it is said to be online.

  4. About the Internet (cont.) You can use the Internet to: • communicate with people all around the world instantaneously. • get the latest information on a current event. • search for information • buy and sell products. • perform banking transactions.

  5. Connecting to the Internet To connect to the Internet, you need: Computing device. Connection device. Internet Service Provider (ISP).

  6. Connecting to the Internet (Cont) • Computing device: • Personal computer • Portable computer (laptop) • Mobile device (cell phone or handheld device) • Connection device: • Modem • An ISP is a company that provides Internet connectivity to individuals, businesses, and organizations.

  7. Connecting to the Internet (Cont) Connection Methods: Physical (Cables) Wireless (Wireless Fidelity or the Wi-Fi card ).

  8. Connecting to the Internet (Cont)Wireless Technology • Devices that supports wireless technology : • Wireless Fidelity or the Wi-Fi card. • Access point (AP): • AP is used to connect a wireless computing device to a wired network. • This wired network may belong to an ISP. • You can then connect to the Internet through this ISP.

  9. Types of Internet Connections There are two different types of Internet connections: Dedicated Internet connection Dial-up Internet connection

  10. Types of Internet Connections(cont.) Dedicated Internet connection: • No need to request your ISP for a connection every time you want to connect to the Internet. • Many large organizations and universities use dedicated Internet connections because these organizations and universities need to use the Internet extensively.

  11. Types of Internet Connections(cont.) • Dial-up Internet connection: • You need to connect to the ISP every time you want to connect to the Internet. • You can disconnect from the Internet after completing your work. • Is usually less expensive and has a slower data transfer rate compared to a dedicated Internet connection.

  12. Bandwidth Bandwidth is the amount of data that can be transmitted over a network in a certain amount of time. Bandwidth is measured in: Mbps (megabits per second). Kbps (kilobits per second). bps (bits per second).

  13. Bandwidth (cont.) • The actual rate of transfer of data will vary depending on: • ISP’s equipment. • Type of Internet connection. • Number of people using the same connection at one time.

  14. Bandwidths of Different Networks

  15. Lesson 2: The World Wide WebObjectives After completing this lesson, you will be able to: Define WWW and its relation to the Internet. Explain how Web addresses work. Explore Web sites by using a search engine. Explain how to perform transactions over the Web. Define browser plug-ins and explain their uses.

  16. Introduction the World Wide Web The World Wide Web (WWW or simply, the Web): Refers to the collection of information that is accessible on the Internet. The information is in the form of text, pictures, and sound. The Web is a very popular service on the Internet.

  17. Introduction the World Wide Web (cont.) Web and the Internet are technically two different terms: • The Internet connects multiple computers and forms a network on which a computer can communicate with another computer. • The Web is a way of accessing and sharing information over the Internet by using Web browsers.

  18. Web Components Web browser is a software program that enables you to view and interact with various resources on the Web. Web page is a document on the Web. It is a formatted text document that a Web browser can display. Web site is one or more Web pages that reside on a single server.

  19. Web Addresses • Every Web site on the Web is stored on a computer that is part of a vast network. • To access a Web site, you need to access the computer on which the Web site is stored. • Each computer on the Web is identified by a unique address, known as the Internet Protocol (IP) address. • The IP address is a numeric address that specifies the exact location of a computer on the Web.

  20. Web Addresses (cont.) A Web site for a domain is accessed with the help of a unique alphanumeric address known as the Web address. The Web address is also known as the Uniform Resource Locator (URL), which specifies the protocol to be used and the exact location of the Web site. A protocol is a standard method of transferring data between different computers.

  21. Web Addresses (Cont.) http://www.microsoft.com/learning/default.asp

  22. Examples of domain name suffixes.

  23. Working with Internet Explorer Please follow these steps to practice: Open Microsoft Digital Literacy site Click on Internet module. Click on “Launch E-learning. Click on the “Play” button. Follow steps on the left screen. 1 4 3 2 3

  24. E-Commerce E-commerce refers to the business transactions made over the Internet, such as buying and selling items online.

  25. E-Commerce (cont.)Example: Purchasing Museum Online Tickets Step 1: access the museum’s Web site. Step 2: create a new account. Step 3: select the date and the number of tickets you want to purchase. Step 4: provide your credit card details along with the shipping address. Step 4: record your transaction code that you can use for any further queries related to this purchase.

  26. Using Browser Plug-ins A Web page may contain content in the form of animation, video, or audio files. To view these files, you need additional programs known as plug-ins. Plug-ins provide added functions by allowing the Web browser to access and run files that are included in Web pages. Some popular plug-ins are available with most of the Web browsers. Certain plug-ins that you need to install or update to be able to view Web pages with new features and file formats.

  27. Using Browser Plug-insDownload Plug-Ins In the Address bar, type http://www.msn.com, and then click Go. On the left column of the MSN home page, click Video. Click Download Microsoft Windows Media Player. To download the plug-in, click Download Now twice. Click Run. Click Run. Click I Accept.

  28. Questions

  29. Next Class Internet Basics 2 Includes lesson 3: Communicating on the Internet

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