69. (a) Define the following terms in the context of information systems. (i) Supply Chain Management...

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69. (a) Define the following terms in the context of information systems. (i) Supply Chain Management (ii) Enterprise Resource Planning (b) Outline three advantages of an Enterprise Resource Planning. (ERP). (c) Explain three control measures that can be used to prevent unauthorized access to computer files (d) Define the following terms in the context of information systems security. (i) Denial of service (ii) Social engineering 70. (a) Identify four characteristics of an Executive Information System. (b) List three capabilities of a DSS. (c) Identify two circumstances under which direct procurement is preferred. (d) Identify three functions of information. (e) Define the following terms. (i) Systems approach (ii) Model (f) Describe two factors that justify system maintenance. 71. (a) Define the following terms in the context of a management information systems. (i) Accuracy (ii) Consistency (b) Discuss the contents of a strategic plan. (c) Explain four reasons why the employees may resist the introduction of a new MIS in a firm. 69. (a) Define the following terms in the context of information systems. (i) Supply Chain Management (ii) Enterprise Resource Planning (b) Outline three advantages of an Enterprise Resource Planning. (ERP). (c) Explain three control measures that can be used to prevent unauthorized access to computer files (d) Define the following terms in the context of information systems security. (i) Denial of service (ii) Social engineering 70. (a) Identify four characteristics of an Executive Information System. (b) List three capabilities of a DSS. (c) Identify two circumstances under which direct procurement is preferred. (d) Identify three functions of information. (e) Define the following terms. (i) Systems approach (ii) Model (f) Describe two factors that justify system maintenance. 71. (a) Define the following terms in the context of a management information systems. (i) Accuracy (ii) Consistency (b) Discuss the contents of a strategic plan. (c) Explain four reasons why the employees may resist the introduction of a new MIS in a firm.