MIS 300; Chapter 7: The Internet, Intranets, and Extranets

Advanced research projects agency network (ARPANET)
1969 by the U.S.
Dept. of Defense
Blog
Journal or newsletter that’s updated frequently and intended for the general public.
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.
Domain name system (DNS)

Protocol which converts domain names into IP addresses when information is transferred from one network to another.

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Unique identifiers of computer or network addresses on the Internet.

Extranet

Uses the Internet and Web technologies to connect intranets of business partners.

Facilitates communication between organizations or between consumers.

Electronic funds transfer (EFT).

Electronic data interchange (EDI).

Hypermedia
The Web organizes information by using documents that include embedded references to audio, text, images, video, or other documents.
Hypertext
Embedded references in hypermedia documents;
Consists of links users can click to follow a thread.
Hypertext markup language (HTML)
Language used to create Web pages; Defines a page’s layout and appearance by using tags and attributes.
Instant messaging (IM)
Service for communicating with others via a private chat room on the Internet.
Internet
Worldwide collection of millions of computers and networks of all sizes;
Derived from the term internetworking which meant connecting networks.
Internet backbone
Foundation network linked with fiber-optic cables that can support high bandwidth.
Internet relay chat (IRC)
Enables users in chat rooms to exchange text messages with people in other locations in real time.
Internet telephony
Using the Internet to exchange spoken conversations.
Intranet
Network within an organization that uses Internet protocols and technologies for:
Collecting, storing, and disseminating useful information that supports business activities.
Navigational tools
Used to travel from website to website – as in surf the Internet (web browsers).
Newsgroups
General in nature and can cover any topic; Allow people to get together for fun or for business purposes.
Podcast
Electronic audio file posted on the Web for users to download.
RSS (really simple syndication) feeds
Fast, easy way to distribute Web content.
Search Engine
Information system that enables users to retrieve data from the Web by using search terms.
Social Networking
Broad class of websites and services that allow users to connect online;
Popular social networking sites;
Facebook, Twitter;
LinkedIn: Professional networking site; Popular for business use
The internet of everything (IOE)
Web-based development in which people, processes, data, and things are interconnected via the Internet using:
RFID devices
Barcodes
Wireless systems
QR codes
A network of “things” embedded with electronics, software, sensors and connectivity which are uniquely identifiable and can interact within the internet
The internet of things
…embedded with electronics, software, sensors and connectivity which are uniquely identifiable and can interact within 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.
Voice over internet protocol (VoIP)
Protocol used for Internet telephony; Requires high-speed Internet connection and microphone or headset; Makes international and long-distance calls less expensive; Lacks call quality.
Web 2.0
BECAME INTERACTIVE:
Trend toward Web applications that are more interactive than traditional Web applications. Focuses mainly on social networking and collaboration.
Wiki
Website that allows users to add, delete, and modify content.
The Web organizes information by using _____, meaning documents that include embedded references to audio, text, images, video, or other documents.
hypermedia
A _____ is an information system that enables users to retrieve data from the Web by using keywords.
search engine
_____ check to see what links are on a user’s page and make sure they work; if a link is broken, they identify it and include this information as part of the data about that page.
Crawlers
_____ are usually formed for people to exchange opinions and ideas on a specific topic, usually of a technical or scholarly nature.
Discussion groups
Web 1.0
STATIC, not functional and did not communicate well.
Web 3.0
Personalization, intelligent Web applications, allows data to be shared and reused across applications, enterprise, and community boundaries.
Which of the following is a drawback of Internet telephony?
Poor call quality