Chpt 1 Essay

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Systems Analysis and Design Ninth Edition End of Chapter Solutions Chapter one Introduction to Systems Analysis and Design ANSWERS TO CASE-SIM: SCR ASSOCIATES Introductory note: The SCR case study provides a valuable real-world experience for students. The case involves an imaginary IT consulting firm that maintains a realistic Web site, complete with a company intranet that students can access. The student becomes an entry-level systems analyst reporting to a supervisor named Jesse Baker. In each session, the student receives e-mail messages, voice mail messages, and a list of tasks to perform. The voice mail all comes from Jesse Baker, and the e-mail messages come from Jesse Baker and other members of the…show more content…
Define business profiles, processes, and modeling.. A business profile is an overview that defines a company’s overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction. A business process describes specific events, tasks, and desired results. To understand a company’s operations, systems analysts first develop a business profile and then create a series of business models. A business model graphically represents business functions that consist of business processes such as sales, accounting, and purchasing that perform specific tasks. (Pages 10 -11) 3. Identify the main components of an information system, and describe the system’s stakeholders. An information system has five key components: hardware, software, data, processes, and people. People who have an interest in an information system are called stakeholders. Stakeholder groups include the management group responsible for the system; the users, sometimes called end users, inside and outside the company who will interact with the system; and IT staff members, such as systems analysts, programmers, and network administrators who develop and support the system (Pages 8-10) 4. Explain the difference between vertical and horizontal systems packages. A horizontal system is a basic system, such as an inventory or payroll program, that can be adapted for use in many companies. A vertical system is designed to meet the
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