Oxford, Cambridge and RSA (OCR) GCSE Computer Science Practice Exam

A flowchart is a graphical representation that uses shapes and arrows to illustrate the steps of an algorithm and the flow of control within that process. It includes various symbols, such as ovals for the start and end points, rectangles for processes, diamonds for decisions, and arrows indicating the flow direction. This visual format makes it easier to understand complex algorithms at a glance, allowing for a clear depiction of logic and sequences involved.

While a flow diagram may seem similar at first glance, it is less commonly used as a distinct term specifically for algorithms. Pseudocode, on the other hand, is written in a structured but informal way resembling programming languages, focusing more on the logic rather than a visual representation. A decision tree is a different concept that models decisions and their possible consequences rather than general algorithmic processes. Therefore, the most accurate choice for a graphical representation of an algorithm is a flowchart.