The percentage of calls in which the user hangs up before support staff respond is called ____________________.

When vector animations are used for special effects in movies, the animation sequences are _____________.

A. scanned into PNG format B. pre-rendered into digital video clips C. compressed into anaglyphs D. rendered real time

A _________ is a collection of related fields that can be treated as a unit by some application program.

A) ?file ? B) ?field ? C) ?record ? D) ?database