How many bits must be "flipped" (i. e., changed from 0 to 1 or from 1 to 0) in order to capitalize a lowercase 'a' that’s represented in ascii

What is it called during the editing process when the processor ensures that a character holding a coffee mug from one angle is holding the same mug in the same way when the shot switches to another camera at another angle? cinematography continuity technology prop use