State the rule used in the operation of an OR gate

Explanation

### Step-by-Step Solution:

1. **Understanding the OR Gate**:
The OR gate is a basic digital logic gate that implements logical disjunction. It has two or more inputs and one output.

2. **Boolean Expression**:
The operation of an OR gate can be expressed using a Boolean expression. For two inputs, A and B, the output Y can be represented as:
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