Information Systems

Question 1

What is an Information system?

Answer 1

An information system is a collection of hardware, software, people, data, and procedures responsible for generating information, that supports the day-to-day activities of an organization used by the users in the organization

Question 2

What are the components of an Organization?

Answer 2

There are three main components of an organization:
1. The Effective system: This is the lower level of an organization, and is responsible for handling the data to data activities of the organization

2. The Decision system: This is the higher level of an organization and is responsible for defining the flow of data and function of the organization, and make decisions to be executed by the effective system
3. Information System

Question 3

What are the components of an Information System?

Answer 3

The components of an information system include:
1. Hardware resources: The physical components used for collecting and storing data

2. Software resources: The instructions that process data to information
3. Data resources: Raw facts
4. Procedures: The instructions on how users should operate the system
5. People resources: The end users of the information system, and the information system specialist who developed the information system.

Question 4

What is a CBIS?

Answer 4

It is an information system, that relies on computer technology to perform its tasks.

Question 5

What are the functions of an information system?

Answer 5

-> data collection
-> data storage
-> data processing
-> data retrieval
-> data analysis

Question 6

What are the steps involved in building an information system?

Answer 6

-> System Analysis
-> Determination of needs
-> System Design
-> System Implementation
-> Testing
-> Maintainance

Question 7

What are the types of Information systems?

Answer 7

There are 6 types of information systems:
1. Office IS: They combine hardware software and networks to facilitate employee communication and workflow

2. Transaction Processing Systems: They collect and process data during the day-to-day activities of an organization
3. Management IS: They generate information that can be used by managers and users, to make decisions, solve problems, and track and monitor activities.
4. Decision Support Systems: They help users make decisions when decision-making situations arise.
5. Expert systems: They collect and store the knowledge of experts and simulate their reasoning to help those who don’t have said expertise
6. Integrated IS: A combination of several information systems