Question: 11. (a) Explain how information systems serve the various levels of management in a business. (b) Explain four ways in which a MIS improves

11. (a) Explain how information systems serve the various levels of management

11. (a) Explain how information systems serve the various levels of management in a business. (b) Explain four ways in which a MIS improves organizational performance. 12. (a) Describe the major characteristics of TPS, MIS, DSS, and ESS. (b) Describe the relationships amongst TPS, MIS, DSS, and ESS. 13. (a) Outline six principles which can be used to guide ethical decisions. (b) Discuss the impact of information systems in our everyday life. 14. (a) Explain five threats to information systems. (b) Describe five ways/techniques that can be used to safeguard information systems resources.

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