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What is the main role of a search engine crawler?

easy🧠 Conceptual Q11 of Q15
Intro to Computing - How the Internet Works
What is the main role of a search engine crawler?
ATo display search results to users
BTo organize information into categories
CTo visit web pages and collect information
DTo delete outdated web pages from the internet
Step-by-Step Solution
Solution:

  1. Step 1: Understand the crawler's function

    A crawler is a program that visits many web pages to gather data.

  2. Step 2: Differentiate from other parts

    Unlike indexers or searchers, crawlers focus on collecting information, not organizing or displaying it.

  3. Final Answer:

    To visit web pages and collect information -> Option C

  4. Quick Check:

    Crawler = Collects data [OK]
Quick Trick: Crawlers collect data by visiting pages [OK]
Common Mistakes:
MISTAKES
  • Confusing crawlers with indexers
  • Thinking crawlers display results
  • Assuming crawlers delete pages

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