Definicija: The ratio of budgeted costs of work performed to actual costs of work performed [BCWP/ACWP]. The cumulative CPI [sum of the BCWP for all tasks divided by the sum of the ACWP for all tasks] can be used to predict whether a project will go over budget.

Definicija: A programming interface used to build and maintain unattended installation answer files and configuration sets by adding security fixes, changing drivers, and so forth.