Labels:book | chat room | clock | crt screen | hakham | monitor | sky OCR: INFORMATION SYSTEMS ANALYSIS AND DESIGN 589 FIGURE 10-43 Maintenance Phase Costs When new information system first goes live mainte nance costs are high while programmers work out bugs and users clamor for support. High costs High fixed After and most users n the become bugs famil- are iar with the information system, maintenance costs decrease Low costs an information system nears the end of its useful life span, repair costs rise and changing business practices Years in service begin to require modifications that are time consuming and expensive implement When does the maintenance phase end? The maintenance phase continues until an information system is no longer cost effective or until changes in the organiza ation make the information system obsolete. It is not unusual for an informati ...
