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)