Cheat Sheet: Enterprise Information Systems

Enterprise Information Systems (EIS) are crucial for modern businesses, enabling efficient processes, informed decision-making, and competitive advantage through the strategic use of technology. This cheat sheet outlines key concepts, evolution, and components of EIS.

Core Principles

• Information Systems (IS) are vital for business success, impacting strategy, operations, and decision-making.
• The evolution of IS has moved from automation for efficiency to strategic use for competitive advantage.
• Key components of IS include Hardware, Software, Data, Procedures, and People.
• Effective IT management requires aligning IT strategy with business strategy.
• Data organization and management are critical for generating meaningful information.
• IT security is paramount to protect information systems from threats.
• Networks and communication systems are the backbone of modern information exchange.
• Cloud computing offers flexible and scalable IT resources.
• Digitalization and digital transformation are reshaping business models and operations.

Key Terms

• Wirtschaftsinformatik: Interdisciplinary field combining technical IT knowledge with business management skills to develop, implement, and manage information systems.
• Technologie-Akzeptanz-Modell (TAM): Model explaining user adoption of technology based on perceived usefulness and ease of use.
• Enterprise Resource Planning (ERP): Integrated software systems that manage core business processes (finance, HR, supply chain, etc.) using a central database.
• Cloud Computing: Delivery of IT resources (computing power, storage, applications) over the internet on a pay-as-you-go basis.
• Big Data: Large, complex datasets characterized by Volume, Velocity, Variety, and Veracity, requiring advanced analytics.
• IT-Sicherheit: Strategies and measures to protect information systems from unauthorized access, modification, or damage.
• VPN (Virtual Private Network): Secure, encrypted connection over a public network (like the internet) to extend a private network.
• HTML (Hypertext Markup Language): Standard language for creating web pages, defining structure and content.
• URL (Uniform Resource Locator): Web address used to locate resources on the internet.
• TCP/IP: Fundamental protocol suite for internet communication, enabling data transfer between networks.

Timeline

• 1950s - Mid-1970s: Phase 1: Automation of processes for efficiency gains (e.g., mainframes for accounting).
• Mid-1970s - Mid-1980s: Phase 2: Support for the management level to increase effectiveness (e.g., decentralized PCs).
• Mid-1980s - Mid-1990s: Phase 3: Use of IS for competitive advantage (e.g., customer loyalty programs).
• Mid-1990s onwards: Phase 4: Internet utilization and digital transformation (e.g., global networking, e-commerce).
• Present: Focus on convergence, cloud computing, Big Data, AI, and digital transformation.