Questions: Select what's true about using the Boolean operators "OR" and "NOT". Check All That Apply Use "OR" when you are searching for documents including one or another of your search words. Use "NOT" if you want to exclude certain results from your search. Boolean operators make using search engines less efficient.

The answer is:

$\square$ Use "OR" when you are searching for documents including one or another of your search words. Use "NOT" if you want to exclude certain results from your search.

Explanation for each option:

1. $\square$ Use "OR" when you are searching for documents including one or another of your search words.

   • This is correct. The "OR" operator is used to broaden your search to include documents that contain any of the search terms.

2. You can use $/ \wedge$ to execute an OR search.

   • This is incorrect. The symbol $/ \wedge$ is not a standard Boolean operator for executing an OR search. The correct operator is "OR".

3. Use "NOT" if you want to exclude certain results from your search.

   • This is correct. The "NOT" operator is used to exclude documents that contain certain terms from your search results.

4. $\square$ Boolean operators make using search engines less efficient.

   • This is incorrect. Boolean operators actually make searches more efficient by allowing users to refine and control their search results more precisely.

Summary: The correct statements are:

• Use "OR" when you are searching for documents including one or another of your search words.
• Use "NOT" if you want to exclude certain results from your search.