2. One way to make money from a web site is to place advertisements on it. One web search engine company allows the web site owner to add some HTML code to the web site, which searches the site for content and delivers advertisements relevant to that site. When a visitor to the web site clicks on a link to an advertisement, the web site owner earns a small fee. The more visitors there are to the site the more chance the owner will make money from the advertisements displayed on the site. (Image is not included)
(a) HTTP stands for Hyper Text Transfer Protocol. Define the term protocol in this context. [2 marks]
(b) Describe how the search engine determines relevant advertisements to display on this or other web sites. [4 marks]
(c) Explain two ways in which the number of visitors to this or other web sites can be increased. [4 marks]
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