Table 1: Comparison of CTS development by generic and specific tools.

Specific toolsGeneric tools

Costs for acquiring toolsHighLow
Costs for qualified engineersHighLow
Costs for adding special features High if not supportedLow
End user learning curveRelatively highLow
Can CTS utilize software already acquired?DependsYes
Any SDM to followDepends on vendorsNo
Is the project manager required to know tools in depth?YesNo