Information systems tailored to the needs of the top management are known as ____ i) Top management system ii) Executive information system iii) Management information system iv) Transaction information system A security mechanism to prevent unauthorised access to a network/resources is called ______ i) Firewall ii) Bluetooth iii) Secure hubs iv) Routers Operating instructions for information system users are called ______ i) Reports ii) Policies iii) Procedures iv) Programs A group of interrelated components working together towards the attainment of a common goal is ______ i) Chain ii) Network iii) System iv) Process ______ is the world's first truly cross platform programming language. i) Ada ii) Java iii) C iv) Pascal The detailed study of the information needs of the users and an information systems is called ______ i) System design ii) System investigation iii) System approach iv) System analysis _____ are knowledge-based systems that provide expert advice a
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