web application terms

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  • Created by: jack bt
  • Created on: 18-10-19 10:16
the internet
a global computer network consisting of interconnected networks using communications protocols
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www
a system of interlinked hypertext documents that are accesed via the internet using a browser
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URL(universal resource locator)
a unique address identifying every resource on the internet
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http(hypertext transfer protocol)
a protocol which defines how data is transferred over the internet
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IP address
a unique physical address of each computer linked to the internet. can either be static or dynamic it is a group of numbers seperated by a dot
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web browser
an application running on a users computer that is resonible for requesting text and graphics of webpages from the web server on the internet
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web server
provides web resources in response to requests from web users
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webs hosting
allows an individual or organisation to make their website accesible via the www. they provide space on a server owned or leased for use by a client
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ftp(file transfer protocol)
ftp is a protocol for the transfer of files across the internet to the web server users can acess a seerver request that a file can be downloaded to them or alternitivly upload the file to the web server where they are stored
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isp(internet service provider
an internet service provider has direct links to the internet and accepts transmission from users over communiation lines and passes these onto the internet the isp sells internet acess to companies or indivual and provides acces to web servers.
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search engine
a search engine is a web based tool that searches for info using key words and criteria some search engines use a spider or web crawler this crawls through the web and contracts an index of pages based on meta data embedded in te head of the document
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cache
cache memory is situated closet to the processor alowws browser to download webs to images data and documents for faster veiwing in the future. a local copy of the information is kept this means that the browser to load at least some of the info
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cookies
small files download to a computer when visiting a website . they store previous activity on that site and user preferences. this info can be used when the user visits the site again
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portal
a website that acts as a main entry point to a group of web services portals can require the user to login and provide a range of services such as email links to other websites and search engines
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website
a website is a collection of html pages linked on the www
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webpage
a page of info stored on the www usually written in html veiwed using a web browser can contain hypertext which provides the user with clickable links to other pages on the web and other multimedia eg sound
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Other cards in this set

Card 2

Front

a system of interlinked hypertext documents that are accesed 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 protocol which defines 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. can either be static or dynamic it is a group of numbers seperated by a dot

Back

Preview of the back of card 5
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