Which of the following allows the user to define a query with greater precision by using operators such as AND, OR or NOT?
A) Forms-based searches
B) Hashtags
C) Natural language searches
D) Boolean searches
E) Keyword searches
Answer: D
Explanation: D) A Boolean search lets you define a query with greater precision, using such operators as AND (the search must include two terms linked by AND), OR (it can include either or both words), or NOT (the search ignores items with whatever word comes after NOT).
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