_______, as applied to Internet search engines, is a system in which connecting words (primarily and, or, and not) are used to establish a logical relationship among key words in order to make a search more precise.

A) Boolean logic
B) A proximity operator
C) A key-word search
D) A concept search

Boolean Logic

A branch of algebra that deals with true or false values to solve problems.

Internet Search Engines

Tools or platforms that allow users to search for information across the internet by inputting queries.

Proximity Operator

In database search queries, a function that allows users to find documents where two or more words occur close to each other within a certain distance.