Q. What is the main difference between an electronic index and a paper index?

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Q. What is the purpose of directory services such as Yahoo! or the Open Directory Project (ODP)?

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Q. How do search engines like Google or AltaVista build their indexes of web pages?

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Q. Why do search engines typically not index the most common words?

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Q. What potential issue can arise when using a search engine to retrieve content from the web?

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Q. How do search engines like Google rank web pages?

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Q. What is the term for systems that allow users to rate and recommend web pages?

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Q. How do some e-commerce sites use user browsing history to make recommendations?

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Q. How can web pages be made more "search engine friendly"?

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Q. What is the term used to describe the part of the web that contains high-quality information but is not easy to find through traditional searches?

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Q. What is the primary language used for structuring and describing information on the web?

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Q. What is the main purpose of a web browser?

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Q. How are hypertext links typically activated in a web browser?

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Q. What is a common indication in web browsing to show that a hyperlink has already been visited?

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Q. What type of content may require additional plug-ins or helper applications in a web browser?

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Q. What is the primary function of a web server in the context of the World Wide Web?

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Q. What is the role of a client in the context of the World Wide Web?

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Q. What is the purpose of the URL in the context of web browsing?

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Q. What is latency in the context of network communication?

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Q. Why is it recommended to minimize web page size for better usability?

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