Introduction to Computers

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Presentation transcript:

Introduction to Computers Internet Basics

What is the Internet? The Internet is the pipeline that carries data between computers

TCP/IP TCP/IP is the set of rules--or protocols--that every computer connected to the Internet uses to control the way data is formatted and transmitted

Two Kinds of Internet Addresses Internet protocol address (IP address): four-part numeric address Domain name system (DNS) address: an address that uses words instead of numbers

DNS Addresses Have Two Parts Host name Domain

Internet Service Provider (ISP) Provides local access to the Internet backbone

World Wide Web (the Web) Created in 1989, the Web is a type of service available to those using the Internet. Web and Internet are not synonymous.

Web Tools Hypertext transfer protocol (HTTP) Hypertext markup language (HTML) Hypertext links (also called hyperlinks or just links) Web page

Web Site A collection of related Web pages housed on a Web server

Web Browser Software application that finds hypertext documents on the Web and opens them on the user’s computer. First Web browser, Mosaic, debuted in 1993.

Today’s Most Popular Web Browsers Microsoft’s Internet Explorer Chrome Firefox Apple’s Safari

Uniform Resource Locator (URL) A URL is a file’s location on the Web Access URLs with a Web browser

Helper or Plug-in Applications Help Web browsers display multimedia content.

Types of Content Displayed by Plug-ins Streaming audio Streaming video

Flash by Macromedia Lets Web designers create high-quality animation or video, with audio, that plays directly within the browser window

Popular E-mail Programs Microsoft Outlook Chrome Gmail Yahoo Email Zimbra

Examples of Online Communication E-mail Listserv Newsgroup Facebook Remind Yahoo Messenger

Telnet Internet tool for using one computer to access another

File Transfer Protocol (FTP) Internet tool used to copy files from one computer to another

Internet Relay Chat (IRC) A popular way for Internet users to communicate in real-time with other users

Examples of Internet-Related Services Online Services Peer-to-Peer Services

Web Content Tools Save As HTML Command Web Templates Wizards

Lesson 8A Internet Basics