Systems Analysis and Design

TENTH EDITION

CH$2$ Review Questions

$($Answers should gathered from the book$)$

$1.$ Discuss the importance of conceptualizing organizations as complex systems and the role of systems

principles.

$2.$ What is meant by saying that organizational subsystems are interrelated and interdependent?

$3.$ How can a process be identified in a system?

$4.$ What are the two main purposes of feedback in organizations?

$5.$ Define openness in an organization environment.

$6.$ Define closedness in an organizational environment.

$7.$ Define $$virtual enterprises,$$ and discuss why systems analysts should adopt a systems perspective.

$8.$ What are the potential benefits and a drawback of a virtual organization?

$9.$ Give an example of how systems analysts could work with users as a virtual team.

$10.$ What are enterprise resource planning $($ERP$)$ systems?

$11.$ What is the main difference between doing business process analysis for ERP and for other types of

systems?

$12.$ What problems do analysts often encounter when they try to implement an ERP package?

$13.$ What are the two symbols on a use case diagram, and what do they represent?

$14.$ What is a use case scenario?

$15.$ What are the three main parts of a use case scenario?

$16.$ What are the four steps in creating use case descriptions?

$17.$ What are the five altitude metaphors for describing use case on different levels? What do they represent?

$18.$ What are the three symbols in a context$-$level data flow diagram, and what do they represent?

$19.$ Is a context$-$level diagram sufficient for defining the scope of a system?

$20.$ What is meant by the term entity$-$relationship diagram?

$21.$ Describe the elements of an E$-$R diagram depicting the relationship between a person and a t$-$shirt.

This description should show the following relationship: each person can have many t$-$shirts, but each

shirt can only be owned by a single person.

$22.$ List the types of E$-$R diagrams.

$23.$ How do an entity, an associative entity, and an attributive entity differ?

$24.$ How would three levels of management have different implications for information systems development?

$25.$ Who should be involved in collaborative design of information systems?

$26.$ How can understanding organizational subcultures help in the design of information systems?

$27.$ List the features of public and private channels in Slack and its function in team communication.