What is one key characteristic of an algorithm?

A key characteristic of an algorithm is its well-defined outputs. This means that for a given input or set of inputs, the algorithm will produce a specific and predictable output. This characteristic is essential because it allows users to understand what results they can expect after executing the algorithm. Consequently, this predictability is vital for assessing the effectiveness and correctness of the algorithm in performing its intended task.

Well-defined outputs also contribute to the clarity and reliability of the algorithm. When outputs are not ambiguous, users can trust the results, which is particularly important in applications such as programming, data analysis, and mathematical problem-solving. In contrast, characteristics like ambiguous steps or being language dependent would undermine the reliability and usability of an algorithm, as they would introduce uncertainty in both how to execute the algorithm and what results to expect. An infinite process is also not a desirable property in most algorithms, as it typically suggests a failure to reach a conclusion or output.