Chapter 13 Organizing Information systems Resources The Strategic Management of Information echnology
The Strategic Management of Information Technology Chapter 13 Organizing Information Systems Resources
Transaction Processing System Input Process Output Systems Development Communication Information
Transaction Processing System Input Process Output Information Communication Systems Development
Object-Oriented Approach Catalog objects Found by keywords In a Library or Database Objects Exhibit certain behaviors Attributes and operations are encapsulated or pulled together Operations describes how attributes are processe d Behave in certain ways in response to messages
Object-Oriented Approach Catalog objects – Found by keywords – In a Library or Database Objects – Exhibit certain behaviors – Attributes and operations are encapsulated or pulled together – Operations describes how attributes are processed – Behave in certain ways in response to messages
Object-Oriented Approach Classes Set of objects that share common structure and behavior Inheritance Objects receive attributes and operations from other objects Add more attributes and operations of their own Polymorphism Ability of object to respond to and Implement each object
Object-Oriented Approach Classes – Set of Objects that share common structure and behavior Inheritance – Objects receive attributes and operations from other objects – Add more attributes and operations of their own Polymorphism – Ability of object to respond to and implement each object
An Integrated System
An Integrated System