Internet
> Is a collection of interconnected networks, all freely exchanging information using a common set of protocols- The world's largest computer network
Advance Research Projects Agency(ARPANET)
> A project started by the U.S. Department of Defense (DoD) in *1969* > An experiment in reliable networking & a means to link the DoD & military research contractors
MILNET
> Include all military sites
Internet Protocol
> Enables computers to route communications traffic from one network to another as needed
Tim Berners-Lee
> Developed the World Wide Web at CERN, the European Organization for Nuclear Research in Geneva, Switzerland
Backbone
> One of the Internet's high-speed, long-distance communications links
IP Address
> A *64-bit number* that identifies a computer on the Internet
Uniform Resource Locator(URL)
> A Web address that specifies the exact *location* of a Web page using letters & words that map to an IP address & a *location* on the host
Internet Corporation for Assigned Names & Numbers(ICANN)
> Responsible for managing IP addresses & Internet domains- One of its primary concerns is to make sure that each domain name represents only on individual or entity
Internet Service Provider(ISP)
> Any organization that provides Internet access to people
Cloud Computing
> Software & storage are provided as an Internet service & are accessed with a Web browser
World Wide Web(WWW)
> Is a collection of tens of millions server computers that work together as one in an Internet service using hyperlink technology to provide information to billions of users> Developed by Tim Berners-Lee at CERN
Web
> The hypertext transfer protocol (http) standards & mark-up languages that combine to deliver information & services over the Internet> Server & client software- *The Internet is the infrastructure on which the Web exists*
Hyperlink
> Highlighted text or graphics in a Web document that, when clicked, opens a new Web page containing related content
Web Browser
> Web client software used to view Web pages- Ex: Internet Explorer, Firefox, Chrome, Safari, & Opera
Hypertext Markup Language (HTML)
> The standard page description language for Web pages- Tells the browser how to display font characteristics, paragraph formatting, page layout, image placement, hyperlinks, & the content of a Web page
HTML Tags
> Codes that tell the Web browser how to format text as a heading, list, or body text& > Whether images, sound, & other elements should be inserted
Search Engine
> A valuable tool that enables you to find information on the Web by specifying words that are key to topic of interest, known as keywords
Web Portal
> Is an entry point or doorway to the Internet- Typically include: search engine, subject directory, daily headlines- *Many people choose a Web portal as their browser's home page*
Marc Andreessen
> Co-author of *Mosaic*
Vint Cerf
> Recognized as one of *the fathers of the Internet*, sharing this title with American computer scientist Bob Kahn
Bob Kahn
> Along with Vint Cerf, invented the Transmission Control Protocol (TCP) & the Internet Protocol (IP)- The fundamental communication protocols at the heart of the Internet
Telnet
> Is a network protocol that enables users to log on to networks remotely over the Internet- Uses a command-line interface that allows the user to work on a remote server directly- Both Telnet & FTP connections are not encrypted & are therefore not secure
File Transfer Protocol(FTP)
> Supports file transfers protocols between a host & a remote computer - Users can copy files from one computer to another- Both Telnet & FTP connections are not encrypted and are therefore not secure
Cascading Style Sheet (CSS)
> A popular tool for *designing groups of Web pages*> CSS uses special HTML tags to globally define font characteristics for a variety of page elements as well as how those elements are laid out on the Web page
Extensible Markup Language (XML)
> Is a markup language designed to transport & store data on the Web> Allows the coder to create custom tags that define data
Many Websites
> Use CSS to define the design & layout of Web pages- XML to define the content & HTML to join the content with the design (CSS)
Java
> Is an object-oriented programming language from Sun Microsystems based on the C++ programming language
Push E-Mail
> Business users that access e-mail from smartphones- Ex: Blackberry
Usenet
> Is a technology that uses e-mail to provide a centralized news service
Content Streaming
> Is a method for transferring multimedia files, radio broadcasts, & other content over the Internet so that the data stream of voice & pictures plays more or less continuously without a break or with very few breaks
Bot
> Is a software tool that searches the Web for information, products, or prices
Web Auction
> Is a way to connect buyers & sellers
Transmission Control Protocol(TCP)
> Is a widely used Transport-layer protocol that most Internet applications use with IP
Intranet
> *Internal* corporate network built using Internet & World Wide Web standards/technologies- Ex: portal.ey.com & my.ggc.edu
Extranet
> Network that links selected resources of a company's intranet with its customers, suppliers, or other business partners> *Available only to the company & the partner*
Web 2.0:*Socially Connected*
> Web sites provide Web-based tools for users to share information- Popular for finding old friends, staying in touch with current friends, & making new friends
Web 2.0:*Rich Internet Applications*
> Software that has the functionality & complexity of traditional application software, but does not require local installation & runs in a Web browser- Most take advantage of being online by emphasizing their collaborative benefits
Vertical Portals
> Pages that provide information & links for special-interest groups- Ex: Huffington post, Drudgereport
Corporate Portals
> Provide access to work-related resources > Can be used to provide employees with work-related online content & to limit access to other Web content
Tunneling
> Process by which VPNs transfer information by encapsulating traffic in IP packets over the Internet