misy160 ch2

internet
worldwide collection of networks that link millions of ppl
world wide web and email
2 of more widely accessed internet services
Pentagons ARPA
agency of US dept of defense that started a networking program that internet has roots in
ARPANET
network that became functional in 1969, linking scientific and academic researchers across US
world wide web consortium (W3C)
oversees research related to internet
fixed wireless internet connections
are high speed and use radio signals and an antenna to communicate with tower
dial up connection
slower speed technology and cheaper way for users to connect to internet
internet traffic
until 1995, NSFnet handled bulk of these comm activities
dial up access
takes place when modem in comp uses standard telephone line to connect to internet
cable modem
allows access to high speed internet services through cable TV network
fixed-wireless
high speed internet connections use antenna on house of business to comm with tower locations via radio signals
satellite modem
communicates with satelite dish to provide high speed internet connections via satellite
Wi-Fi internet service
can be DSL or cable, send signals to a comm device thats connected to high speed internet service, most home users set them up… NOT dial up access
satellite internet service
is a high speed internet service
W3C
sets standards and guidelines for many areas of internet
DSL
technology that provides high speed internet connection using regular copper telephone lines
access provider
business that provides individuals and companies access to internet for free or fee
periods
what components of a domain name are separated by
web
consists of worldwide collection of electronic documents
webpage
each electric document on web with text, graphic, audio, video
website
collection of related web pages and associated items such as documents and pics stored on web server
browser
app software allows users to access and view webpages
microbrowser
special type of browser that internet enabled devices aka smartphones use thats designed for small screens and limited computing power
search engine
program that finds websites and web pages
keywords
words or phrases you put in search engine text box to find things
hits
resulted list aka web pages names that contain search text
spider
program used to build and maintain lists of words found on websites
portal
website that offers variety of internet services from single convenient location
thread
allows users to publish short messages, usually 100-200 characters for others to read
multimedia
any app that combines text w/ graphics, animation, audio, vid
graphic
digital representation of nontext info such as drawing, chart or photo
thumbnail
small version of larger graphic on web
audio
includes music, speech or any other sound
content aggregators
what podcasters register their podcasts with
MP3 format
reduces an audio file to 1/10th of original size while preserving much of the original quality of sound
streaming
process of transferring data in continuous and even flow which allows users to access file while its transmitting
player
special software needed to listen to an audio file on a comp
podcast
recorded audio, usually MP3, store on website that can be downloaded to a comp or portable digital audio player such as ipod
VR
use of comps to simulate real or imagined enviro that appears as 3D space
moving pictures experts group (MPEG)
defines popular video compression standard
video
consists of full-motion images that are played back at various speeds
plug-in
program that extends capability of browser
web publishing
development and maintenace of web pages
e-commerce
business transaction that occurs over electronic network such as Internet
electronic storefront
where customer visits online business, contains product descriptions, graphics, and shopping cart
shopping cart
allows customer visiting an electronic storefront to collect purchases
consumer-to-consumer (C2C) e commerce
occurs when one consumers wells directly to another consumer, such as online auction
business-to-business (B2B) e commerce
where most ecommerce actually take place between businesses
e-mail
transmission of messages and files via comp network, today is primary comm method for personal and business use
e-mail program
used to create, send, recieve, forward, store, print and delete email messages
email address
combo of username and domain name that IDs user so they can recieve internet email
user name
unique combo of characters (letters/#s) to ID specific user
address book
list of names and email addresses most email programs allow users to create
SMTP (simple mail transfer protocol)
comm technology used by some outgoing mail servers
POP3
latest version of communications technology used by some incoming mail servers
mailing list
group of email names and addreses given a single name
virus
comp program that can damage files and operating system
IM
real-time internet comm service that notifies users when one or more ppl are online and allows them to exchange message or files or join private chatroom
real time
ppl who are conversing on comp are online at same time
instant messaging
both parties must be online at same time, reciever of message must be willing to accept messages
chat
real time typed convo that takes place on comp
chat room
location on an internet server that permits users to chat with each other
chat client
user connects through this program to start chat session
VoIP other name
internet telephony
VoIP
enables users to speak to other users over internet
uploading
process of transferring docs, graphics and other objects from comp to server on internet
news server
computer that stores and distributes newsgroup messages
thread
consists of original article and all subsequent related replies in newsgroup
articles
previously entered messages that newsreader enables users to access newsgroup to read
message board
popular web based type of discussion group that doesnt require a newsreader
FTP sites
can be anonymous, anyone can transfer some of not all available files
FTP
internet standard that permits file uploading and downloading with other comps on internet
FTP server
comp that allows users to upload and/or download files using FTP
newsgroup
online area where users have written discussions about particular subject
spoiler
message that reveals solution to game or ending to movie or program
Netiquette
code of acceptable behaviors users should follow while on internet, conduct expected of individuals while online
spam
unsolicited email messages or newsgroup article sent to many recipients or newsgroups at once
emoticons
🙂 🙁 to express emotion in email or newsgroup article
according to netiquette, internet users should assume
the use of all capital letters is equivalent of shouting