Chapter 2:
1- Identify and describe the three levels of the organizational hierarchy. Which types of information systems serve each level?
Answer:
The three levels of the organizational hierarchy:
Senior Managers
Middle Managers
Operational Managers
Types of information systems serve each level:
Operational-level systems: support operational mangers, keeping track of the elementary activities and transactions.
Management-level systems: serve the monitoring, controlling, decision-making, and administrative activities of middle managers.
Strategic-level systems: help senior management tackle and address strategic issues.
2- List and briefly describe the major types of system in organization?
Answer:
Transaction Processing Systems (TPS): are the basic business systems that serve the operational level of the organization. And it is also a computerized system that performs and records the daily routine transactions necessary to conduct business.
Management Information Systems (MIS): serve the management level of the organization, providing managers with reports and often-online access to the organization’s current performance and historical records and primarily serve the functions of planning, controlling, and decision-making.
Decision-Support System (DSS): also serve the management level or the organization. DSS help mangers make decisions that are unique, rapidly changing, and not easily specified in advance.
Executive Support System (ESS): serve the strategic level of the organization. They address non-routine decisions requiring judgment, evaluation, and insight because there is no agreed on procedure for arriving at a solution.
3- What are the five types of TPS in business organizations? What functions do they perform? Give example of each.
Answer:
Five types of TPS with example:
Sale/Marketing Systems (eg. Sale management, customer service…)
Manufacturing/Production Systems (eg. Purchase