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key terms (search engine (A search engine is a web-based tool that…
key terms
search engine
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Some search engines use a spider or webcrawler, this programme ‘crawls’ through the web and constructs an index of pages.
When a user wants to search for a topic using the Internet, the index of topics, made by the webcrawler, is used.
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cookies
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Cookies can be also used to track a user’s browser history over a period of time which can be considered a privacy concern.
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IP address
This represents a standard set of rules used to ensure the proper transfer of information between computers on the Internet.
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web browser
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It is responsible for requesting the text and graphics of webpages from servers on the Internet, and assembling them for display.
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cache
In the context of web applications, cache or temporary internet files allow browsers to download website images, data and documents for faster viewing in the future.
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This means that the browser will be able to load at least some information from each page you have visited without downloading that information again from the server.
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web server
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The web server contains application software to enable the transmission of content and makes use of client-server technology.
web hosting
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This service provides individuals and organisations with access to a web server and web space to store a website or webpages.
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world wide web
Is the name given to the collection of information that has grown up on computers connected to the Internet and which is made available for anyone to access.
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the internet
It is a network of computers, each communicating with several other computers in the network, but not with all of them.
It is a world-wide communication system linking computers in geographically separate locations through the use of a variety of telecommunication links such as telephone lines and satellites.
HTTP
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it defines how data is structured and transmitted and specifies how browsers and web servers should act in response to requests
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File transfer protocol
is the most common protocol used to transfer files across the Internet between client and server devices.
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