A software company needs to develop a project that is estimated as 1000 function points and is planning to use JAVA as the programming language whose approximate lines of
code per function point is accepted as 50. Considering a = 1.4 as multiplicative factor, b = 1.0 as exponention factor for the basic COCOMO effort equation and c = 3.0 as
multiplicative factor, d = 0.33 as exponention factor for the basic COCOMO duration equation, approximately how long does the project take to complete ?
(A) 11.2 months
(B) 12.2 months
(C) 13.2 months
(D) 10.2 months


Answer: (B)

Explanation:
In basic COCOMO we know that:
E effort = a(KLOC)^b
According to given data
i.e.

 a = 1.4 b = 1.0  total loc = 1000x50 = 50000 = 50 KLOC.
          E effort = 1.4(50)1
                   = 70
      Development time = c(E)d 
it is given that c = 3 and d = 0.33
So, Development time = 3(70)0.33
i.e.                 = 12.18 months.

So, option (B) is correct.


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