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# How Boolean Works Audio

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A brief powerpoint explaining BOOLEAN operators

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### Transcript of "How Boolean Works Audio"

1. 1. How BOOLEAN operators work
2. 2. AND Hand: 9  J  J  Q  K  8  jacks AND “red cards” <ul><li>J  J  Q  8  </li></ul><ul><li>Results: J  </li></ul>
3. 3. AND <ul><li>AND : returns must contain both terms </li></ul><ul><li>AND : used between dissimilar keywords to narrow your search. </li></ul>
4. 4. OR Hand: 9  J  J  Q  K  8  jacks OR kings <ul><li> J  J  K  </li></ul><ul><li>Returns: J  J  K  </li></ul>
5. 5. OR <ul><li>OR: returns can contain the first OR the second search term. </li></ul><ul><li>OR: used between synonyms to broaden the search. </li></ul>
6. 6. NOT Hand: 9  J  J  Q  K  8  jacks NOT “red cards” <ul><li> </li></ul><ul><li>J  J  Q  8  </li></ul><ul><li>Returns : J  </li></ul>
7. 7. NOT <ul><li>NOT: returns will contain the first but NOT the second search term. </li></ul><ul><li>Be careful with using NOT to make sure you do want to exclude all occurrences of the search term. </li></ul>
8. 8. Combining boolean operators <ul><li>Combining your operators can give powerful search results as indicated in the examples below: </li></ul><ul><li>(teenagers OR youth OR adolescents) AND alcohol AND Australia </li></ul><ul><li>(“global warming” OR “climate change”) AND pollution AND Australia </li></ul>
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