DT WEB APPLICATION TERMS

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The internet
a global computer network consisting of interconnected networks using communication protocols.
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WWW
a system of interlinked hypertext documents that are accessed via the internet using a browser
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URL
a unique address identifying every resource on the internet
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HTTP
a protocal/ set of rules which defines/ specifies how data is transferred overt 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 Adress
an application running on a user's computer that is responsible for requesting text and graphics of webpaes from the web pages from the web server on the internet
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web server
provides/delivers web pages/ web resources in response to response to to request from the web servers
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web hosting
allows an individual or organisation to make their website accessible via the world wide web. they provide space on a server owned or ceased for use by the clients
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FTP
FTP is a protocal for the transfer of files accross the internet to the web server users can access a server request that the file be downloaded to them or alternatively upload the file to the web server they are stored.
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ISP
an internet service provider has direct links to the internet and accep[ts transimission from users over communication lines and passes these onto the internet. the ISp sells internet access to companies or individuals and provides access to 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 web crawler. this programme crawls through the web and constructs an index of pages based on metadata embedded in docs
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cache
chache memory is situated closest to the processor. it allows browsers to download website images, data and documents for faster viewing a local copy of the info. is kept by the cache memory. the browser will be able to load info. from each page.
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cookies
small files downloaded to a computer when visiting a website. they can store previous activity on that site and user preferences. the information can be used to logon and provide a range of services such as emails, links and search engines.
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portal
a websitwe that acts as a main entry point to a group of web services. portals can require the user to logon and
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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

WWW

Card 3

Front

a unique address identifying every resource on the internet

Back

Preview of the back of card 3

Card 4

Front

a protocal/ set of rules which defines/ specifies how data is transferred overt 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
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