What is the main purpose of an algorithm?

The main purpose of an algorithm is to provide a step-by-step procedure for solving a specific problem or performing a task. An algorithm lays out a clear and systematic method that outlines the sequence of operations needed to achieve a desired outcome. This is fundamental in various fields, especially in computer science and programming, where algorithms serve as the backbone for writing code and solving problems efficiently.

By clearly delineating the process, an algorithm ensures that the solution is repeatable, verifiable, and comprehensible. It allows programmers and engineers to convert complex problems into manageable steps, making it easier to program a computer or carry out calculations without ambiguity. This structured approach is essential for effective programming, problem-solving, and software development.

The other choices, while relevant to certain aspects of programming and data handling, do not encapsulate the primary objective of an algorithm in the same way. Creating visual representations, defining data structure properties, or optimizing memory usage are all important tasks but they do not specifically capture the essence of what an algorithm fundamentally is, which is a methodical process for addressing and solving problems.