webpagenavigation

§Two types of search tools are search engines and subject directories.

•Search engine

•Finds information related to a specific topic

•Subject directory

•Classifies Web pages in an organized set of categories

§What is a search engine?

•A program that finds Web sites, Web pages, images, videos, news, maps, and other information (information) related to a specific topic.

•A program that finds information by entering
words or phrases called search text.

•A program designed to locate information on the web.

§Searching information using search engine:

•Search engines require that you enter a word or phrase, called search text or search query.

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•Each word in the search text is known as a keyword.

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•The results of the search, called hits.

•Result from the search engine can be in the form of:

•Images, videos, audio, publications, maps, people or businesses, blogs.

§Examples of search engine:

§A subject directory provides categorized lists of links arranged by subject.

§When click on the category link, the subject directory displays a list of subcategory links.

§The disadvantage:

•Users have difficulty deciding which categories to choose from the menus of links presented.

Give three (3) good qualities of search engine.

1.Have a large database.

2.Able to provide up to date web sites.

3.Able to search in a very short time.

Hypertext	•Refers to links in text-based documents or •It is a text which contains links to other texts
Hypermedia	•Combines text-based links with graphic, audio, and video links or •Contain links not only to other pieces of text, but also to other forms of media - sounds, images, and movies