Backtype tracks a subject or company for you and notifies you when someone posts information about the subject or company online.

To digitally capture a sound wave, your PC periodically records a sample of the wave's amplitude as a hexadecimal number.

Answer the following statement true (T) or false (F)

A(n) __________ item is a hardware or software item that is to be modified and revised throughout its life cycle.

A. revision B. update C. change D. configuration