Explanation:
Flowcharts are used to represent the flow of a program or a system. It consists of various symbols that represent different types of operations. Each symbol has a specific meaning in the flowchart. One of the most important symbols used in flowcharts is the diamond symbol, which represents a decision or conditional statement.

Diamond Symbol:
The diamond symbol is a four-sided figure with two opposite angles that are acute and two opposite angles that are obtuse. It is used in flowcharts to represent a decision or a conditional statement. The diamond symbol is also known as the decision symbol.

Representation of Decision:
When a program needs to make a decision based on a certain condition, a diamond symbol is used in the flowchart to represent the decision. The condition is written inside the diamond symbol, and the program flow moves in different directions depending on the outcome of the condition.

Example:
For example, consider the following flowchart:


In this flowchart, the diamond symbol is used to represent the decision. The condition inside the diamond symbol is “Is x greater than y?”. If the answer is yes, the program flow moves to the left, and if the answer is no, the program flow moves to the right.

Conclusion:
In conclusion, the diamond symbol is used to represent a decision or a conditional statement in a flowchart. It helps to make the flowchart more readable and understandable. When creating a flowchart, it is important to use the correct symbols to represent the different types of operations in the program.

Option b
Diamond