信息系统（IS）是信息子系统的协调集合，这些信息子系统经过合理集成以收集，存储，处理，检索，传播和传达信息，以支持企业和其他组织的运营，管理和决策功能。信息系统强调信息技术在企业和其他组织中的应用。计算机和其他信息技术是信息系统的技术基础或工具。但是，需要具备技术技能以及业务流程和实践知识，才能正确地设想，设计，实施，集成，评估和管理基于计算机的业务问题解决方案。
Information systems (IS) is a coordinated collection of information subsystems that are rationally integrated to collect, store, process, retrieve, disseminate and communicate information for the support of operations, management and decision-making functions in business and other organizations. Information systems emphasizes the application of information technology in business and other organizations. Computers and other information technologies are the technical foundations or the tools of information systems. However, both technical skills and knowledge of business processes and practice are needed to be able to properly envision, design, implement, integrate, evaluate and manage computer-based solutions to business problems