The Internet and World Wide Web Flashcards
An interconnected network of networks that link computer to computer using protocol
Internet
The predecessor of the Internet. It was a research network by Advanced Research Projects Agency (ARPA) of the US Defence Department.
ARPANET (1969)
a network of computers that serve web pages that distributed hypermedia information system on the Internet.
World Wide Web
Information can be organize, link, and access via client-server protocol.
World Wide Web
When and where did the World Wide Web start?
Started in 1989 at the European Particle Physics Laboratory (CERN)
Who started the World Wide Web?
Tim Berners-Lee
Information can be organized, link, and access via what?
Client-server protocol
Internet connected computers
Web Servers
Specially formatted document that can contain images, text, interactive elements, and hyperlinks, which links to other pages
Web pages
Group of related web pages
Web site
- Website’s primary page
- Typically introduces the web site and provide info about the site’s purpose and content
Home page
- Simply known as a link
- A word, phrase, or image that connects web pages
Hyperlink
Exploring the web by jumping from one webpage to another
browsing/surfing the web
The most common way to access the internet in the past
Dial-up telephone line
Faster access methods to the Internet today
- digital dedicated lines
- cable broadband
- wireless transmissions
The speed at which data travel from one device to another
transfer rate
the number of bits the line can transmit in one second
bits per second (bps)
internet connectivity service that uses satellite technology
fixed wireless
internet connectivity that uses radio signals or wireless fidelity (wi-fi)
mobile wireless
what does Wi-Fi stand for?
wireless fidelity
provides wireless connectivity to devices within a certain range
wi-fi
- third generation of mobile networks
- supports speech and data services
3G
- fourth generation of mobile networks
- supports gaming and stream multimedia
4G
How fast is 3G?
Average is 1.5Mb/s
How fast is 4G?
Average is 8-12Mb/s
a business that has a permanent Internet connection and provides temporary Internet connections to individuals and companies using one or more access method
Internet service provider (ISP)
Access methods that ISP use to provide Internet connection
- dial-up
- high-speed dial-up
- broadband
- wireless
- software program that requests, downloads, and displayes Web pages stored on Web Server
- Needed to view web pages
Web Browser
A web page’s unique address, identifies a computer on the Internet
Uniform Resource Locator (URL)
What does a URL consist of?
- domain name
- top level domain designation
numeric address for computer connected to the Internet
IP address
TRUE OR FALSE: Every device in a computer network has an IP address
TRUE
Text version of a computer’s numeric IP address
Domain name
Identifier for a computer or device on a TCP/IP network
IP Address
1.140.10.230
IP Address
A name that identifies ONE OR MORE IP addresses
Domain Name
notifycorp.com
Domain name
Indicates the type of organization or general domain
Top-level domain (TLD)
.biz
Business
.com
commercial, personal
.edu
education
.gov
government
.mil
military
.net
network providers
.org
non-commercial community
.my
Malaysia
.sg
Singapore
.jp
Japan
.us
United State
.de
German
.fr
France
.au
Australia
This is what procedes the domain name and top-level domain designation in a url
Protocol
The communications standard for transmitting Web pages over the Internet
Hypertext Transfer Protocol (HTTP)
Most common way to view web pages in the past
using desktop or laptop
wireless, portable computer designed to fit in a user’s hand
Handheld computers
type of handheld computer used to manage personal information and access the internet
Personal digital assistant (PDA)
mobile phone that offers other features
smartphonr
Categories of web sites
- personal
- organizational
- commercial
- type of web site created for a range of communication purpose
- promote your employment credentials, share news and photos with friends and family, share a common interest or hobby w/ fellow enthusiasts
Personal Web Sites
Owned by any type of group, association, or organization, whether it is professional or amateur group
Organizational Web Site
Its goal is to promote and sell products or services of a business, from the smallest home-based business to the largest national enterprise
Commercial Web Site
a message that may contain text, images, files, or other attachments sent through a network to a specified individual or group of individuals
E-mail (Electronic Mail)
He sent the first e-mail
Ray Tomlinson
When was the first e-mail sent?
1971
Collection of names and addresses used by an individual or an organization to send material to multiple recipients
mailing list
type of communications service that enables you to create a kind of private chat room with another individual in order to communicate in real time over the internet
instant messaging (IM)
- designated area or forum on the world wide web that allows users to communicate withe ach other through instant messaging
- text is instantly displayed in the chat rooms conversation log after a user hits enter/send
- other users included in the chat session are able to see what another user types
chat rooms
allows you to make free, or very low cost, telephone calls oever the internet. you can call any telephone in the world and any telephone can call you regardless of what equipment/network the person you are calling uses
Voice over Internet Protocol (VoIP)
Internet discussion forums where groups of users with common interests gather to talk about everything from software to comic books to politcs
Newsgroup
- messages can be read by anyone who views the group that they’re posted in
- international in scope, with participants from all corners of the inernet
Newsgroup
Protocol for exchanging files over the Internet`
File Transfer Protocol (FTP)
most commonly used to download a file from the server using the Internet or to upload a file to a sertver
File Transer Protocol (FTP)