INFS1602 Study Guide - Final Guide: Business Process Reengineering, Accounts Payable, Information System
18 Jul 2018
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Personal information systems: used by single individual (e. g. email: characteristics: procedures are simple, not documented/formalized, pros: easy to manage, control timing of change; flexible, cons: user must solve problems. Workgroup information systems: facilitates activities of a group of people: departmental information systems: support a particular department (e. g. accounts payable system, functional information systems: support particular business, characteristics: procedures understood within group, solutions within group, difficult to change. Enterprise information systems: span an organization, support multiple departments: characteristics: procedures formalized (users undergo trainng); problem solutions affect enterprise, difficult to change, users defined according to levels of expertise. Inter-enterprise information systems: shared by two/more organisations (e. g. pride: characteristics: procedures formalized; problem solutions affect multiple organisations, difficult to change, resolved by meeting/contract/litigation. Is can lead to problems caused by information silos (when data are isolated in separate information systems. Entities (at one organizational level) create is that only meets their particular needs. Different is process same data for different purposes (e. g. customer data)
