Online worksheet ยท 4 of 4
A search engine uses an index - Online practice 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Paper index snapshot: A: river story; B: town map; C: river map. Query: 'river map'. In this SIMPLE model, a result must contain BOTH query words in its indexed keywords. Known limit: C's map has been updated since the index was made. Real search systems are more complex. An index is not necessarily a fresh reading of every page.
Worksheet preview
- Which indexed page matches both words of 'river map' in this model?
- Why might the result for 'river map' be incomplete or out of date?
- Would finding page C prove all its claims true?
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