What is the purpose of Boolean operators in a search? a. To refine and filter search results b. To save search results c. To create a new search engine d. To increase the number of search results

The correct answer is a. To refine and filter search results.<br /><br />Boolean operators are used in search engines to refine and filter search results based on specific criteria. These operators include AND, OR, NOT, and parentheses. By using Boolean operators, users can combine or exclude keywords to narrow down search results and obtain more relevant information. This helps in efficiently finding the desired information by refining the search query.