Definitions

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The Internet
A global computer network consisting of interconnected networks using communication protocols
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World Wide Web
A system of interlinked hypertext documents that are accessed via the internet using a browser
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Universal Resource Location
A unique address identifying every resource on the internet
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HTTP
A protocol/set of rules which defines/specifies how data is transferred over the internet
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IP Address
A unique physical address of each computer linked to the internet. An IP address can be either static or dynamic. It is a group of 4 sets of numbers seperated by a dot
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Web Browser
An application running on a users computer that is responsible for requesting text and graphics of webpages from the webserver on the internet
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Web Server
Provides/ delivers web pages/ web resources in response to requsts from web uses
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Webs Hosting
Allows an individual or organisation to make their website accessible via the World Wide Web. They provide space on a server owned or leased for use by the clients
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FTP
FTPis a protocol for the transfer of files accross the internet to the web server. Users can access a server request that a file be downloaded to them or alternatively upload the file to the webserver where they are stored
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ISP
A internet service provider has direct links to the internet and accepts transmission from users over communication lines and passes these onto he internet. The ISP sells internet access to companies or individual and provides access to web servers
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Search Engine
A search engine is a web based tool that searches for information using keywords or criteria. Some search engines use a spider or webcrawler. This programme 'crawls' through the web and constructs and index of pages based metadata embedded
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Cache
Cache memory is situated closest to the processor. Allows browsers to download website images, data and documents for faster viewing. A local copy of info is kept. The browser will be able to load at least some info from each pg u have visited wo
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Cookies
Small files downloaded to a computer when visiting a website. They store previous activity pn that site and users preferences. This info can be use when user visits again
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Website
A website is a collection of HTML pages linked tg on the world wide web
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Webpage
A page of inforamtion stored on the world wide web. Usually written using HTML viewed using a web browser can contain HYPERTEXT which provides the user with clickables links to other pages on web and other multimedia eg. sound, video annimation
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Portal
A website that acts as a main entry point to a group of web services. Portals can require the suer to log on and provide a range of services such as email, links to other websites and search engines
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Other cards in this set

Card 2

Front

A system of interlinked hypertext documents that are accessed via the internet using a browser

Back

World Wide Web

Card 3

Front

A unique address identifying every resource on the internet

Back

Preview of the back of card 3

Card 4

Front

A protocol/set of rules which defines/specifies how data is transferred over the internet

Back

Preview of the back of card 4

Card 5

Front

A unique physical address of each computer linked to the internet. An IP address can be either static or dynamic. It is a group of 4 sets of numbers seperated by a dot

Back

Preview of the back of card 5
View more cards

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