MIS CH 7

internet
a worldwide collection of millions of computers and networks of varying sizes
ARPANET advanced research projects agency network
a project started in 1969 by the U.S. Department of Defense the beginning of the internet connected four nodes from schools in the west mainly cal and u of utah
first internet backbone
NSFNET National science foundation network 1989 from ARPANET
internet backbone
supports all other networks that form the internet. is a foundation network linked with fiber optic cables can support high bandwidth
hypermedia
documents that include embedded references to audio, text, images, video, or other documents
hypertext
embedded references in hypermedia are called ___________ consist of links users can click to follow a particular thread (topic)
DNS Domain Name System
converts domain names to IP addresses when info is transferred from one network to another. these servers maintain lists of computers’ and web sites’ addresses and their associated IP addresses ex www.club.org club.org is the ______ name
URL uniform resource locator
identify a web page a ___ is essentially the address or location of a document or site on the internet
HTML hypertext markup language
language used to create web pages. it defines a page’s layout and appearance by using tags and attributes. a tag delineates a section of the page, such as the header or body while an attribute specifies a value, like font color, for a page component
navigational tools
these are used to travel from web site to web site aka “surf the web”
search engines
allow you to look up info on the internet by entering key words related to your topic of interest
directories
indexes of information based on keywords in documents, that allow search engines to find what you are looking for can be used to organize context into categories
discussion groups
usually for exchanging opinions and ideas on a specific topic, usually of a technical or scholarly nature. Group members post messages or articles that others in the group can read
newsgroups
typically general in nature can cover any topic; allow people to get together for fun or for business purposes
IRC Internet Relay chat
enables users in chat rooms to exchange text messages with other people in other locations in real time.
IM instant messaging
is a service for communicating with others via a private “chat room” on the internet ex google chat
internet telephony
is using the internet rather than the telephone network to exchange spoken conversations
VolP Voice over the Internet Protocol
is the protocol used for internet telephony
Intranets
is a network within an organization that uses internet protocol and technologies for collecting, storing, and disseminating useful information that supports business activities, such as sales, customer service, hr, and marketing.
intranet vs internet
internet is public intranet is private network. must be approved access to get into intranet. both have same protocol TCP/IP and both use browsers for accessing info. intranet is faster and more secure
extranets
is a secure network that uses the internet and web technologies to connect intranets of business partners so communication between organizations or between consumers is possible
web 2.0
refers to trend toward web apps that are more interactive than traditional web apps. big on collaboration
wiki
site users can add modify or delete info
blog
journal or newsletter that reflects author’s personalities and are updated frequently
social networking
refers to broad class of web sites and services that allow users to connect with friends and family and colleagues. easy to meet people with similar interests
RSS really simple syndication feeds
fast easy, subscription service that distributes web content in an easy XML format
podcast
electronic audio file like an mp3 that is posted on the web for users to download to their mobile devices
I2 internet 2
collaborative effort of universities to develop advanced internet technologies for higher education
gigapop
main function exchange I2 traffic connects performance networks
IoE internet of everything
refers to people, processes and data being connected in various web ways ex bluetooth, rfid, barcodes, wireless system etc.
IoT internet of things
refers to the physical objects that are connected to the internet