To make sure that both of the terms you are searching for appear in the document, use a '+' symbol. If you want the terms to appear in the exact order as a phrase or term, use quotation marks.
and
the answer to this question #19 is AND
"http://wiki.answers.com/Q/Which_Boolean_operator_limits_your_search_so_that_each_term_you_input_must_be_in_the_same_document" is it: or, not,and,also
The answer is "and"
and
It would depend on the system, but probably "AND". For example, a query '"used" AND "cars"' should return only documents containing both terms. Sometimes the AND operator is represented symbolically, such as "used" && "cars". Again, it depends on the context.
+|plus
The answer will increase in numbers.
The answer will increase in numbers.
The boolean operator that omits information from the search parameters is the NOT operator. When used in a search query, it excludes specific terms, helping to refine results by filtering out unwanted content. For example, searching for "cats NOT dogs" will return results related to cats while excluding any mentions of dogs.
BUT (apex)
All of them can limit your search. Here are the meanings of all of them: AND: Find results that only contain both words OR: Find results that contain either (or both) words NOT: Do not find results that contain a word XOR: Find results that contain either (but not both) words