Information Systems Activities · Input of data Manual input by key, scanning, sound, image Processing of Data into Information Calculate, sort, find, report, disseminate Output of Information Products Report, display, suggestion, Storage of Data resource Database. data file. maintenance Control of System Performance AuditHUANG Lihua, Fudan University Feb., - July., 2005 Information Systems Activities • Input of Data – Manual input by key, scanning, sound, image,… • Processing of Data into Information – Calculate, sort, find, report, disseminate…… • Output of Information Products – Report, display, suggestion, …… • Storage of Data Resource – Database, data file, maintenance, ….. • Control of System Performance – Audit, ……