a) Clearly explain the characteristics of a good information system. (25 marks)
Answers
Answer:
Good information is based on correct and complete data, and it has been processed correctly as expected. Accuracy is crucial; managers must be able to rely on the results of their information systems. ... Relevant – Information should be relevant both to the context and to the subject.
Explanation:
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Good information must be
Accurate – good information is based on correct and complete data, and it has been processed correctly as expected. Accuracy is crucial; managers must be able to rely on the results of their information systems. The IS function can develop a bad reputation in the organization if a system is known to produce inaccurate information.
Timely – Information should be given in a timely manner. A report that is 6 weeks late is most likely useless. In that case, the information would have been received well after decisions for that material have all ready been made. Ex: Shipping goods to a customer when the information system says not to. Can you think of any?
Relevant – Information should be relevant both to the context and to the subject. If you’re the CEO, you may need information that is summarized to an appropriate level for your job. A list of hourly wage is unlikely to be useful. Instead, you would need the average wage information by department or division. Also, make sure that it is relevant to the subject at hand. If you need short term interest rates for a possible line of credit, than a paper with 15 year mortgage interest rates is useless. Has this ever happened to you at your place of work?
Just barely sufficient – Information needs to be sufficient for the purpose it is generated, but just barely so. There is a lot of information out there in the world and as you grow in management you need to decide what material to ignore and what to use.
Worth its cost- Information is not free. It costs money to develop a system, and to maintain it. For information for be worth its cost there must be an appropriate relationship between the cost of information and its value. Can you think of an example?