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Bsa Chapter 1 Questions/Solutions

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Chapter 1 Review Questions Solutions

1. What is information systems analysis and design?
Information systems analysis and design is the process of developing and maintaining an information system.

2. What is systems thinking? How is it useful for thinking about computer-based information systems?
Systems thinking involves identifying something as a system, visualizing the system and translating it into abstract terms, and thinking about the characteristics of the specific situation. Systems thinking is useful for thinking about computer-based information systems because information systems can be seen as subsystems in larger organizational systems, taking input from, and returning output to, their organizational environments.

3. What is decomposition? Coupling? Cohesion?
Decomposition is the process of breaking down a system into its component parts. Coupling is the extent to which subsystems are dependent on each other. Cohesion is the extent to which a system or a subsystem performs a single function.

4. In what way are organizations systems?
Organizations are systems because they are made up of interrelated components working together for a purpose. They take input from and return output to their environments. Organizations can be redesigned through a systems analysis and design process by which system components are replaced while preserving interconnections between components.

5. List and explain the different phases in the systems development life cycle.
A systems development life cycle is a set of phases that mark the development of an information system. The systems development life cycle in the textbook consists of four phases:

(1) systems planning and selection;
During planning and selection, an organization’s total information systems needs are analyzed and prioritized, a potential information systems project is

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