07-07-2012, 01:22 PM
Data, Information and System
A Data, Information and System.ppt (Size: 507.5 KB / Downloads: 227)
Data
A “given,” or fact; a number, a statement, or a picture
Represents something in the real world
The raw materials in the production of information
Information
Data that have meaning within a context
Data in relationships
Data after manipulation
Data Manipulation
Example: customer survey
Reading through data collected from a customer survey with questions in various categories would be time-consuming and not very helpful.
When manipulated, the surveys may provide useful information.
What Is a System?
System: A set of components that work together to achieve a common goal
Subsystem: One part of a system where the products of more than one system are combined to reach an ultimate goal
Closed system: Stand-alone system that has no contact with other systems
Open system: System that interfaces with other systems
Information and Managers
Systems thinking
Creates a framework for problem solving and decision making.
Keeps managers focused on overall goals and operations of business.
The Four Stages of Data Processing
Input: Data is collected and entered into computer.
Data processing: Data is manipulated into information using mathematical, statistical, and other tools.
Output: Information is displayed or presented.
Storage: Data and information are maintained for later use.