Answers to Review Questions
1. What is an information system? What is its purpose?
An information system is a system that
provides the conditions for data collection, storage, and retrieval
facilitates the transformation of data into information
Answers to Chapter 2 Review Questions
1. Discuss the importance of data modeling.
A data model is a relatively simple representation, usually graphical, of a more complex real
world object event. The data models main function is to help us understand the
1. What two conditions must be met before an entity can be classified as a weak entity?
Give an example of a weak entity.
To be classified as a weak entity, two conditions must be met:
1. The entity must be existence-dependent on its pare
Principles of Managerial Accounting - Test 1
Chapters 1, 2, 3, & 4
All material in the text is subject to testing (unless it has been specifically excluded) even if it has not
been covered in class. The following is a list of some of the key c
CIS 404 Systems Analysis and Design
Chapters 1,2,3 & 7
1. Chapter 1
a. What is a mission-critical system?
A mission critic