单选题 Information systems design is defined as those tasks that focus on the specification of a detailedcomputer-based solution. Typically, there are four systems design tasks for in-house development.
1) The first task is to specify ______, which defines the technologies to be used by one, more,or all information systems in terms of their data, processes, interfaces, and network components. This taskis accomplished by analyzing the data models and process models that are initially created duringrequirements analysis.
2) The next systems design task is to develop the ______. The purpose of this task is to preparetechnical design specifications for a database that will be adaptable to future requirements and expansion.
3) Once the database prototype has been built, the systems designer can work closely with systemusers to develop input, output and dialogue specifications. The ______ must be specified to ensurethat the outputs are not lost, misrouted, misused, or incomplete.
4) The fourth design task involves packaging all the specifications from the previous design tasksinto a set of specifications that will guide the ______ activities during the following phases of thesystems development methodology.
Finally, we should ______ and update the project plan accordingly. The key deliverableshould include a detailed plan for the construction phase that should follow.