Software Engineering (10th Edition)
Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 23, Problem 23.8E
Program Plan Intro

Features of COCOMO model:

  • COCOMO (constructive cost model) is used for the cost estimation of any project.
  • This model was developed by Boehm in 1981.
  • It is also used for calculating the effort required and the people required for carrying out the project within the dead line.
  • It uses some formula to calculate the effort by the help of algorithm models.
  • There are three versions of the COCOMO which are listed below:
    • Basic COCOMO
    • Intermediate COCOMO
    • Detailed COCOMO

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A software manager is in charge of the development of a safety-critical software system, which is designed to control a radiotherapy machine to treat patients suffering from cancer. This system is embedded in the machine and must run on a special-purpose processor with a fixed amount of memory (256 Mbytes). The machine communicates with a patient database system to obtain the details of the patient and, after treatment, automatically records the radiation dose delivered and other treatment details in the database. The COCOMO method is used to estimate the effort required to develop this system and an estimate of 26 person-months is computed. All cost driver multipliers were set to 1 when making this estimate. Explain why this estimate should be adjusted to take project, personnel, product and organizational factors into account. Suggest four factors that might have significant effects on the initial COCOMO estimate and propose possible values for these factors. Justify why you have…
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