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The formula for estimating the development effort and development time of an embedded product is :

  • A.Effort = 2.4 \((\text{KLOC})^{1.05}\) PM, Tdev = 2.5\((\text{Effort})^{0.38}\) Months
  • B.Effort = 3.0 \((\text{KLOC})^{1.12}\) PM, Tdev = 2.5\((\text{Effort})^{0.35}\) Months
  • C.Effort = 3.6 \((\text{KLOC})^{1.20}\) PM, Tdev = 2.5\((\text{Effort})^{0.32}\) Months
  • D.Effort = 2.4 \((\text{KLOC})^{1.05}\) PM, Tdev = 2.5\((\text{Effort})^{0.35}\) Months

Answer: C

The formula is Effort = 3.6 \((\text{KLOC})^{1.20}\) PM, Tdev = 2.5\((\text{Effort})^{0.32}\) Months.

In Boehm's basic COCOMO, effort is \(a(\text{KLOC})^{b}\) person-months and development time is \(c(\text{Effort})^{d}\) months, with constants depending on the project class:

Classabcd
Organic2.41.052.50.38
Semi-detached3.01.122.50.35
Embedded3.61.202.50.32

Option (A) is the organic formula and (B) the semi-detached one. Option (D) mixes organic effort with the semi-detached time exponent.

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