c432-mt-w08-ans - 1. Define the following terms: a) Atomic...

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1. Define the following terms: a) Atomic (Primitive) bubble: [2 marks] A bubble on DFD that does not need further decomposition, because it is doing a simple & well defined task. b) Close ended question (in the context of interview/questionnaire). Give an example. [3 marks] Questions that have a short & brief answers. The answers are used for statistical analysis [2 marks] e.g. How long have you worked for this company? [1 mark] c) Terminators in a given CD [2 marks] They represent IS boundary & they are the source of data or sink of information. [2 marks] 2. Answer the following questions by specifying “T” or “F” after each statement. You must support your answer by providing a brief explanation. You’ll not receive any marks for a T/F answer if it is not supported by a correct explanation. a) The major difference between a typical Context Diagram (CD) and the first level DFD is the fact that a CD shows the IS boundary, but the first level DFD does not. [3 marks] F They both show the IS’s boundary and environment. The difference is that CD hides all system activities, but DFD does not. b) The major difference between a typical Context Diagram (CD) and a typical DFD is the fact that a CD does not show the internal stores, but the DFD does. [3 marks] T The CD shows the “shared” stores, but not the internal stores. The DFD shows the internal stores as well as the “shared” stores. c) As a general rule, a questionnaire should contain mostly open-ended questions. [3 marks] F Open-ended questions are more appropriate for interview, when the interviewee has a chance to express and explain long answers. To answer the open-ended questions in the questionnaire, the responded may need to write many paragraphs/pages
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3. Distinguish between the structured decision and unstructured decision, give an example of each. [6 mark] Unstructured Decisions Most complex type Not routine All the variables/factors/elements involved in decision making are unknown Impact the organization in a long term Require subjective judgement on the part of the decision maker – experience helps (any 4 from the above list, 0.5 mark each) e.g. Should the company invest & develop a product that will take 8 years to market it.
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c432-mt-w08-ans - 1. Define the following terms: a) Atomic...

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