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    4. what is a spider?
    what is a spider?

    if it is not a insect then what is it? I mean the live crawling eight legged thing.

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    0  Views: 588 Answers: 1 Posted: 11 years ago
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      1 Answer

      The non insect spider:


      A program that automatically fetches Web pages. Spiders are used to feed pages to search engines. It's called a spider because it crawls over the Web. Another term for these programs is webcrawler.



      Because most Web pages contain links to other pages, a spider can start almost anywhere. As soon as it sees a link to another page, it goes off and fetches it. Large search engines, like Alta Vista, have many spiders working in parallel.

      11 years ago. Rating: 2
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