MIS Chapter 7

Internet
Worldwide collection of millions of computers and networks of all sizes
Advanced Research Projects Agency Network (ARPANET)
Project started in 1969 by the U.S. Department of Defense was the beginning of the Internet
Internet backbone
Foundation network linked with fiber-optic cables that can support high bandwidth
Made up of many interconnected government, academic, commercial, and other high capacity data routers
Hypermedia
Documents include embedded references to audio, text, images, video, and other documents
Hypertext
Embedded references in hypermedia documents
Consists of links users can click to follow a thread
Domain Name System (DNS)
Protocol which converts domain names into IP addresses when information is transferred from one network to another
Domain names: Unique identifiers of computer or network addresses on the Internet
Uniform resource locators (URLs)
Address of a document or site on the Internet
Otherwise known as universal resource locators, identify a Web page
Hypertext Markup Language (HTML)
Language used to create Web pages
Defines a page’s layout and appearance by using tags and attributes
Navigational tools
Used to travel from website to website – as in surf the Internet
Search engines
Information system that enables users to retrieve data from the Web by using search terms
Directories
Indexes of information based on keywords embedded in documents which allows search engines to find what is being looked for
Discussion groups
Formed for people to exchange opinions and ideas on a specific topic
Group members post messages or articles that others in the group can read
Newsgroups
General in nature and can cover any topic
Allow people to get together for fun or for business purposes
Internet Relay Chat (IRC)
Enables users in chat rooms to exchange text messages with people in other locations in real time
Instant messaging (IM)
Service for communicating with others via a private chat room on the Internet
Internet Telephony
Using the Internet to exchange spoken conversations
Voice over Internet Protocol (VoIP)
Protocol used for Internet telephony
Intranets
Network within an organization that uses Internet protocols and technologies for:
Collecting, storing, and disseminating useful information that supports business activities
Extranets
Secure network that:
Uses the Internet and Web technologies to connect intranets of business partners
Facilitates communication between organizations or between consumers
Web 2.0
Trend toward Web applications that are more interactive than traditional Web applications
Includes e-collaboration as a key component
Blogs
Journal or newsletter that’s updated frequently and intended for the general public
Wikis
Website that allows users to add, delete, and modify content
Includes a feature where information user can also be an information provider
Social Networking Sites
Broad class of websites and services that allow users to connect with friends, family, and colleagues online
RSS (Really Simple Syndication) Feeds
Fast, easy way to distribute Web content in Extensible Markup Language (XML) format
Subscription service
New content selected from websites delivered via a feed reader to one convenient spot
Podcasting
Electronic audio file posted on the Web for users to download to their mobile devices
Consists of a specific URL and is defined with an XML item tag
The Internet2
Collaborative effort involving more than 200 U.S. universities and corporations to develop:
Gigapop
Local connection point-of-presence that connects a variety of high-performance networks
Internet of Everything (IOE)
Web-based development in which people, processes, data, and things are interconnected via the Internet using:
Internet of things (IoT)
Physical objects that are connected to the Internet and to all the other physical objects