hw89_SolutionV0.3

hw89_SolutionV0.3 - Homework 8 and 9 CS 510 Fall 2005 80...

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Homework # 8 and 9 CS 510, Fall 2005 80 points (8 questions, 10 points each) Due Monday, October 17 th 1. Work problem 11.7 in Software Engineering Economics (SEE). In place of “assuming an organic-mode software development”, use “assuming that all scale factors and cost drivers have Nominal ratings, except for Database Size, which is 100 Megabytes.” DATA = Very High (1.28) It is ok if they use 100M/SLOC to get different ratings in DATA driver. PM = 2.94 * EAF * (KSLOC) ^ 1.0624 KDSI 5 10 15 20 25 30 35 40 PM 22.1 47.3 73.9 101.5 129.7 158.5 187.7 217.4 Student/hour 40 100 200 800 1100 1200 1250 1260 Student/hour 0 200 400 600 800 1000 1200 1400 0 50 100 150 200 250 Student/hour Investment: 22.1 73.9 High Payoff: 73.9 129.7 Diminishing Returns: 129.7 217.4 Grade: -2 for each arithmetic error -4 for wrong PM formula -4 for missing production function graph -4 for not identifying the investment, high payoff, and diminishing returns
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2. Work problem 12.7 in SEE. For each customer, sketch a potentially undesirable production function and locate the customer’s request on it. Note: This question could have correct answers other than the follows. Graders please read student’s answers carefully and give appropriate points, and mark on the paper for the mistake. A. Maximum available budget Risking missed opportunities, for example: B. Minimal Performance Requirement Risking unsatisfactory commitment, for example: C. Risking system capability and performance. D. Maximizing effectiveness/cost ratio This criteria is independent from budget constraints, performance requirements, or growth considerations. E. Maximizing performance Risking exceeding budget limit.
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