Which maintenance involves changes made to a system to reduce the chance of future system failure?

When criticizing a teammate it is generally better to make a declarative statement than to ask a question such as, "Do you think that your idea could use some more research?"

Indicate whether the statement is true or false.

The ________ functions of an IS transform inputs into outputs, including simple summarization to complex mathematical modeling such as regression analysis

A) Data presentation B) Data analysis C) Middleware D) Data management