| A | B |
|---|
| Internet | Global, public network of computer networks |
| Computer network | Collection of computing devices connected together to share resources |
| Protocols | Rules implemented in network software and hardware. They establish connections between two or more computers |
| Internet backbone | The main Internet pathways and connections |
| Internet service providers (ISP) | Provide users with access to the Internet |
| Dial-up connection | Low-speed Internet service |
| Cable modem connection | High-speed Internet service |
| DSL (digital subscriber line) connection | Users can use Internet and talk on the phone simultaneously |
| IP address | Four numbers (0 to 255) separated by periods, such as 64.233.161.104 |
| Domain names | Associated English names assigned to IP addresses |
| Client | makes a service request |
| server | provides the service |
| Port | Logical addresses on the server |
| Peer-to-peer (P2P) networking | Facilitate communications directly between clients |
| Application layer of the Internet | Software portion |
| Transport layer of the Internet | Protocol portion |
| Physical layer of the Internet | Hardware associated with the Internet |
| Open System Interconnection (OSI) Model | Provides a deeper understanding of networking technology |
| Hyperlink | Element in an electronic document that when clicked, opens a related document |
| Hypertext Transfer Protocol (HTTP) | Controls communication between Web clients and servers |
| Web browser | Used to request Web pages from Web servers |
| Web server | Stores and delivers Web pages and other Web services |
| Uniform Resource Locator | Incorporates domain name of Web server and location of Web page file on server |
| Top-level domain (TLD) | Final portion of domain name - .com, .edu |
| .com | commercial business |
| .biz | commercial business |
| .edu | educational institution |
| .org | nonprofit organization |
| .net | networking service |
| .gov | government agency |
| .name | personal website |
| Hypertext Markup Language (HTML) | Used to specify the formatting of a Web page |
| HTML tag | Command that tells a Web browser how to display items on a page |
| XML | Provides method for describing and classifying the content of data in a Web page |
| Semantic Web | Extension of current Web |
| XHTML | Embodies the best of both HTML and XML |
| Web-Authoring Software | Allows you to create HTML documents using word-processor-like software |
| WYSIWYG | what you see is what you get |
| WYSIWYG editors | the webpage you design in the software will look the same when published on the web |
| Cookies | Small text files stored on your computer |
| Plug-in | Works with a Web browser to offer extended services |
| Flash | Popular plug-in which enables users to view animations and videos, and interact with games and other multimedia content |
| Content streaming | Media begins playing while the file is being delivered |
| Information overload | The inability to find the information you need due to an overabundance of unrelated information |
| Search engine | Tool for finding information on the Web |
| Meta search engine | Allows you to run keyword searches on several search engines at once |
| Subject directory | Sites collected and organized by people |
| Web portals | Web pages that serve as entry points to the Web |
| Pervasive communications | Ability to communicate with anyone through a variety of formats from anywhere at anytime |
| Synchronous communication | People communicate in real time exchanging thoughts in a flowing conversation |
| Asynchronous communication | Allows participants to leave messages |
