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Level 22

Internet & the History of Computers


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Vint Cerf and Bob Khan
Invented the World Wide Web
World Wide Web
a collection of electronic files linked together
ISP
(Internet Service Provider) A company that provides access to the Internet.
Three main ways to move between web pages
type a URL, click a text link, click a hyperlink
URL
A location or address identifying where documents can be found on the Internet; a Web address
Web Browser
A software program used to display web pages
Refresh button
reloads the web page from the server
1.2 billion
Approximately how many Google searches occur in a day
120 billion
Approximately how many emails are sent per day
Modem
A communication device that converts one form of a signal to another.
Network Access Point (NAP)
A traffic concentration spot, usually the point of convergence for Internet access by many Internet Service Providers.
Apple
__________ has chosen to build its line around higher-end computers with better -- and more costly -- components.
IBM
Electrical business machine company that initially opposed funding creation of ENIAC but was later supportive. Was part of the historic shift to a mass consumer economy after World War II and instrumental in the s…
Microsoft
A company created in 1976 by Bill Gates and Paul Allen. Initially finding success creating a simple to use operating system using BASIC and later expanding to become one of the most important U.S. software companies.
Moore's Law
A prediction that manufacturing capabilities would advance so that the number of components within an integrated circuit would roughly double every 18 months
Boolean Logic
A system that describes rules for working with two values: true and false. Uses operators such as, AND, OR, and NOT
Internet
A global network connecting millions of computers, making it possible to exchange information.
Internet Protocol (IP)
Address A number that uniquely identifies each computer or device connected to the Internet.
Internet Service Provider (ISP)
A commercial organization that maintains a dedicated Internet connection and provides access to paying customers.
Internet Backbone
A foundation network linked with fiber-optic cables that can support very high bandwidth; made up of many interconnected government, academic, commercial, and other high-capacity data routers.