James A.O'Brien Introduction to Information Systems Eleventh Edition 13 Evaluating IS Services IS Evaluation Factors 。Performance ·Systems Development ·Maintenance ● Conversion 。Training 。 Backup ·Accessibility ·Business Position ·Hardware ·Software James A. O’Brien Introduction to Information Systems Eleventh Edition 13 Evaluating IS Services IS Evaluation Factors • Performance • Systems Development • Maintenance • Conversion • Training • Backup • Accessibility • Business Position • Hardware • Software