Chapter 1 Intro to IS

Question 1

Definition of a system

Answer 1

• set of related components that produces SPECIFIC results

Question 2

Components of an Information System

Answer 2

1. Hardware
2. Software
3. Data
4. Processes
5. People

Question 3

Hardware and Software

Answer 3

Hardware - physical component of a computer system
such as keyboard, mouse
Software - programs that control the hardware and produces desired results
1. System Software - manages the hardware components (OS)
2. Application Software - provide users with daily needs of programs such as Powerpoint, Word

Question 4

Data, Process and People

Answer 4

Data - raw facts and unprocessed information
such as fields
Processes - Describe the tasks done by users to achieve wanted results such as Generating a REPORT
People - Users / a person that is involved with the use of IS

Question 5

Importance of IS in organisation

Answer 5

1. Top Managers
2. Middle Managers
3. Supervisors
4. Operational Employee

Question 6

Types of Information System

Answer 6

1. ECS (enterprise computing systems)
2. TPS (transaction processing systems)
3. BSS (business support systems)
4. KMS(knowledge management systems)
5. UPS (user productivity systems)

Question 7

Roles of the types of IS

Answer 7

1. Executives = EIS(Executive IS)
2. Senior Managers = DSS (decision support system)
3. Middle Managers = MIS (management IS)
4. Employee = TPC (transaction processing system)

Question 8

Current trends in IS projects

Answer 8

SDLC (system development life cycle) MODELS
1. planning
2. analysis
3. design
4. implementation
5. system support and security