Pertemuan 07 Materi : Buku Wajib & Sumber Materi : Understanding e-Business System Development Buku Wajib & Sumber Materi : O’Brien, James A. (2003). Introduction to Information Systems. Essentials for the e-Business Enterprise. Eleventh Edition. McGraw – Hill. Bab 10

Systems Approach to Problem Solving Design the Solution Define Problem Develop Alternative Solutions Select Implement Monitor and Evaluate Results

Traditional Systems Development Life Cycle Systems Implementation Product: Operational System Systems Investigation Feasibility Study Systems Analysis Functional Requirements Systems Design System Specifications Systems Maintenance Improved System Understand the Business Problem or Opportunity Develop an Information System Solution Implement the Information

Prototyping Process Identify an End User's Information Requirements Use and Maintain the Accepted System Identify an End User's Information Requirements Develop Information System Prototypes Revise the Prototypes to Better Meet End User Requirements Prototyping Cycle Maintenance

Systems Investigation Organizational Feasibility Is it a good fit? Operational Will it be accepted? Economic Can we afford it? Technical Does the capability exist?

Systems Analysis Key Areas of Systems Analysis Organizational Functional Requirements Present System Satisfies strategic e-business priorities? Understands how current system works? Captures all important features?

Systems Design User Interface Design Data Design Process Design Screen, Form, Report and Dialog Design (input and output) Data Element Structure Design Program and Procedure Design

End User Development Controls What controls are needed? Input What data is required? Processing What operations on the input Output What information is needed? Storage Will the application need to store data?

The Implementation Process Conversion System Docu- mentation End User Training Development and Modification Acquisition Implementation Activities Testing