____________________ is a measure of the number of hours per week or month that a PC or server is unavailable for use because of power failures or other problems.

To select objects with different color fills than the selected object, you would choose to select the ____.

A. opposite B. secondary C. negative D. inverse

Technically speaking, the process for creating a password digital representation is based on a hash algorithm, which creates a(n) ____________________.

Fill in the blank(s) with the appropriate word(s).