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228110
Internet and the World Wide Web
Descripción
Mapa Mental sobre Internet and the World Wide Web, creado por aaiken942 el 24/09/2013.
Mapa Mental por
aaiken942
, actualizado hace más de 1 año
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Creado por
aaiken942
hace casi 11 años
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Resumen del Recurso
Internet and the World Wide Web
Typical services provided by an ISP
An Internet Service Provider (ISP) sells internet access to companies or individuals
Services:
Bandwidth options
Email Service
Web servers
Website filtering
Web hosting service
Security package (to fight hacking/viruses etc.)
Junk Email and Pop-up blocker
Customer Service
Features of pages on the W.W.W.
Protocols/Languages
Webpages written using HyperText Markup Language (HTML)
Hypertext Transfer Protocol sends webpages across internet.
The Uniform Resource Locator (URL)/ Web Address usually begins with "http://" indicating the page uses HTTP
Webpages
Webpages can contain sound, video, animation, graphics and hypertext as well as simple text
Webpages are viewed using a web browser.
Hypertext provides the user with clickable links to other pages on the web
Differences between...
Internet
Does not contain Information
Provides transport links for information to pass between computers
Is a network of networks
W.W.W.
An application that runs on the internet
Is the largest and most used service on the internet
Can be described as a multimedia service
Hardware and Software Required for Online Access
PC/Mac
An ISP
Browser Software
A Telecommunications Line (dialup, ISDN, ADSL). The physical connection to the internet.
A device that allows the computer to communicate with the internet: a cable/ an ADSL broadband/ standard modem or an ADSL wireless router
Comparison between the internet and an intranet
The advantages of an Intranet
Information, once uploaded can be viewed by the entire organization at any time
Users can: communicate using email, bulletin boards and messaging facilities;share resources; find out general information about the organization
Can improve communications within an organization
What is an Intranet?
Private network website used within an organization
Uses the same protocol as the web, i.e. TCP/IP
Not accessible by the public and can be protected by a firewall
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