Chapter 16 - Review Questions

Chapter 16 - Review Questions - 1 Marks: 5 List and briefly...

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1 Marks: 5 List and briefly describe the three basic approaches to program development order. What  are the advantages and disadvantages of each? 1.) Input, process, output (IPO) development order – Develops input programs or modules first, processing programs or modules next, and output programs or modules last. The primary advantages of IPO development order include simplified testing and early testing of user interfaces. The primary disadvantage of IPO development order is late implementation of outputs that may delay the discovery of errors. 2.) Top-down development order – Implements program modules in their order of invocation which corresponds to the top-to-bottom order of modules as they are drawn on a structure chart. The primary advantage of top-down development is that there is always a working version of the program. The primary disadvantage is that it may lead to the inefficient use of programmers early in the project. 3.) Bottom-up development order – Implements program modules in the reverse of their invocation order which corresponds to the bottom-to-top order of modules as they are drawn on a structure chart. The primary advantage of bottom-up development order is
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This note was uploaded on 02/27/2012 for the course MMIS 530 taught by Professor Jayashbaugh during the Spring '12 term at Friends University.

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Chapter 16 - Review Questions - 1 Marks: 5 List and briefly...

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