Chapter 1

Question 1

What is a computer?

Answer 1

An electronic device that operates under the control of instructions that is stored in its own memory

Question 2

What is an information system?

Answer 2

• It can be defined as a set of interrelated components that retrieve, process, store and distribute information

Question 3

Elements of IS

Answer 3

1. People
2. Procedures
3. Software
4. Hardware
5. Data and information

Question 4

Characteristics of valuable information

Answer 4

1. Accurate
2. Timely
3. Relevant
4. Just Sufficient
5. Cost-effective
6. Verifiable
7. Organised

Question 5

Types of IS

Answer 5

• TPS Transaction processing system
• MIS management information system
• DSS decision support system
• DBMS database management system
• OIS office information system

Question 6

Examples of IS

Answer 6

1. Supply tracking system
2. POS point of sales system
3. Inventory system
4. HR human resource IS
5. Billing system
6. Attendance system (apspace)