The general manager of a large organisation has asked you to draw up a document identifying eight important system characteristics against which managers can evaluate the success of an information system together with a brief explanation of each. What would your document contain?

CPA-Quantitative-Analysis-Section-4 BLOCK RELEASE

b) Important systems characteristics against which managers evaluate the success of an information system.
1. Economy
A good system must be economical or cost effective meaning that the tangible and intangible benefits delivered should outweigh all the costs involved in the development maintenance and administration of the system.
2. Efficiency
The system must be fast enough to accommodate changes in the real time environment and cater adequately for user‘s need.
3. Flexibility
The system must be expandable and flexible so that changing and new user requirements can be incorporated from time to time.
4. User oriented
A good system must be that which is designed for the user. Thus, it must be user specific and acceptable to them. It must be able to satisfy the requirements of users adequately.
5. A successful system should help users to develop confidence through reliability. This means that it should contain minimum cases of breakdown or abnormality and can always be used as and hen need arises.
6. High level integrity
A good system should safeguard users‘ confidentiality and the privacy and security of information under processing and in storage.
7. Controllable
A system should be easily administered such that misuse of systems resources is minimised and date security improved. Thus it should contain a good framework of administrative personnel.
8. Up to date
For a system to be successful, it should be in conformity with the latest and the most superior technology so that the risk of becoming obsolete are minimised.

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