A Level Computer Science OCR Practice Exam

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What does a diamond shape signify in a flowchart?

Decision
Process
Input/Output
End

The correct answer is: Decision

In a flowchart, a diamond shape signifies a decision point. This is where a question is posed, usually resulting in a binary outcome, such as yes/no or true/false. The flowchart branches out from the diamond shape into different paths based on the outcome of the decision. This is crucial in illustrating the flow of control through various paths in a process, allowing for conditional operations to be represented visually. The diamond helps clarify where decisions must be made within a process, highlighting how the progression of steps depends on specific conditions. This visual representation is essential in flowcharting as it enhances understanding of processes, especially in programming and algorithm development, where decisions affect the control flow based on certain criteria.