Boolean operators ________.
A) act as place holders for unknown words in a search phrase
B) must be spelled out using lowercase letters
C) are used to search for an exact match of a word or phrase
D) can help expand or reduce your search results
E) use symbols like "*," "#," and "&" along with key words

Question

Quizplus · Accepted Answer

D) In many search engines you can use the words AND, OR, and NOT, spelled in ALL CAPS and called Boolean operators after mathematician George Boole, along with key words to expand or reduce your search results.

Boolean Operators ________