Explain briefly the importance of data backup, Management Information Sys

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Question :

(a) Explain briefly the importance of data backup.

(b) Describe the features of a Transaction Processing Systems and an Executive Information Systems.

(c) Describe any THREE Information Systems from a Business function perspective.

(d) Explain the following approaches to systems changeover: direct changeover, parallel run and pilot study.

(e) List any FIVE major components of ICT Infrastructure.


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