Encryption is more than simple password protection--it will digitally obscure information to make it unreadable without a proper key to decode it

The ________ of an image refers to the lightness and darkness of the picture

Fill in the blank(s) with correct word

In traditional photography, the effect shown in the top right of the accompanying figure is called ____.

a. vignetting
b. rounding
c. staircasing
d. anti-aliasing