D is corrent. Help desks are usually a responsibility of computer operations because of the operational nature of their functions (for example, assisting users with systems problems involving prioritization and obtaining technical support/vendor assistance).
A is incorrect. Applications development is responsible for developing systems. After formal acceptance by users, developers typically cease having day-to-day contact with a system’s users.
B is incorrect. The responsibility of systems programming is to implement and maintain system-level software such as operating systems, access control software, and database systems software.
C is incorrect. The responsibility of user departments is to interact with application systems as planned. User departments typically do not have the expertise necessary to solve their own systems problems.
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