Information System : A set of interrelated components that collect, manipulate, and disseminate data and information and provide feedback to meet an objective.
The effect if an organization's information is not accurate or complete
- People can make poor decisions
- Costing thousands or even millions of dollars.
The Component of Information Systems
Processing - Converting data info useful outputs
Output - Production of useful information, usually in the form of documents and reports.
Feedback - Information from the system that is used to make changes to input or processing activities.
Computer Based Information Systems
Hardware - Consists of computer equipment used to perform input, processing, and input activities.
Software - Consists of the computer programs that govern the operation on the computer.
Database - Organized collection of facts and information, typically consisting of two or more related data files.
Telecommunications, network and internet - The electronic of signals for communications.
Networks - Connect computers and equipment to enable electronic communication.
Internet - World's largest computer network, consisting of thousands of interconnected networks, all freely excahnging information.
No comments:
Post a Comment