2. Which Boolean operator is used to broaden a search by including either of two keywords?

Question

BlackTom AI · Accepted Answer

To tackle the question, I’ll compare how each Boolean operator typically functions in a search context.
Option A: AND. This operator requires both keywords to appear in the results, which narrows the search. It is not used to broaden a search to include either term, so this option describes a narrowing rather than broadening effect.
Option B: NOT. This operator excludes results containing a specified term. It changes the set of results by removing matches, not by broadening, so it does not fulfill the idea of including either of two keywords.
Option C: OR. This operator is designed to broaden a search by including results that contain either one keyword or the other (or both). It expands the pool of results, aligning with the description of broadening a search to cover multiple possible terms.
Option D: Other variants (like XOR or NOR). While there are specialized or less common operators, the standard approach to include either term is the OR operator. Using anything like XOR would only include results that have exactly one of the terms, not both, which is a narrower or different behavior than the typical OR broadening.
Overall, the key contrast is between narrowing (AND), exclusion (NOT), and broadening (OR). The broadening behavior described in the question matches OR, since it allows either keyword to appear in the results.

_CAES1001_INTEGRITY_1_2025 Task 2.3 Building a search statement

2. Which Boolean operator is used to broaden a search by including either of two keywords?

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