Question

_________________ is a software which comb the Internet looking for documents and their web addresses and perform the methodical searches needed to find information.

A. Indexing

B. Search Algorithm

C. Web crawlers

D. None of these​

Answer 1

C. Web crawlers

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Answer 2

web crawlers A web crawler (also known as a web spider or web robot) is a program or automated script which browses the World Wide Web in a methodical, automated manner. This process is called Web crawling or spidering. Many legitimate sites, in particular search engines, use spidering as a means of providing up-to-date data.