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The study of a procedure to determine the most efficient method of executing it to obtain a desired end, especially by means of computers.
systems analyst n.
(Computer Science) the analysis of the requirements of a task and the expression of those requirements in a form that permits the assembly of computer hardware and software to perform the task
systems analyst n
the methodical study of the data-processing needs of a business or project.
sys′tems an`alyst, n.