Software_Engineering_HW4

Software_Engineering - different access rules Please explain how this scheme works 3 In a very clear 1971 paper Niklaus Wirth formalized a design

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CEN 3031 HOMEWORK 4 Due Date: 11:59 PM, Monday, March 28. You are required to read 11-13 chapters of Mythical Man-Month and answer the following  questions: 1. The fundamental problem with program maintenance is that fixing a defect has a substantial  (20-50 percent) chance of introducing another. The whole process is two steps forward and one  step back. So why aren't defects fixed more cleanly? And theoretically, how to deal with this  phenomenon? 2. A very successful and important use of a vehicle machine in the OS/360 development effort was  for the maintenance of program libraries. The library was in fact divided into sub-libraries with 
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Unformatted text preview: different access rules. Please explain how this scheme works. 3. In a very clear 1971 paper, Niklaus Wirth formalized a design procedure which had been used for years by the best programmers. Furthermore, his notions, although stated for program design, apply completely to the design of complex systems of programs, which is called Top-down design method. Please briefly describe this idea. And how does a good top-down design avoid bugs?...
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This note was uploaded on 01/15/2012 for the course CEN 3031 taught by Professor Staff during the Spring '08 term at University of Florida.

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