Monday, August 30, 2010

Homework 2- problems

Question:  Estimate the doubling time of the software development productivity of the average programmer, if productivity increases at 6%/year.
Answer: It will take a little less than 13 years for the productivity to double.
Question:  Estimate the percent per year of increases in the complexity of PC computers if this complexity doubles every 2 years.
Answer:  the increase would need to be slightly lower than 41.425% for the complexity of PCs to double every 2 years.
 
Question:  Estimate the percent per year of increases in the complexity of PC computers if complexity doubles every 18 months, as some think it is doing.
 
Answer: for the complexity of PCs to double in 18 months, the percent per year increase would have to be slightly less than 58.75%
 
Question: What is the doubling time of your money if you have it in the bank making 2% interest per year?
 
Answer: It will take slightly over 36 years for my money to double at a 2% interest rate.

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