A Sequence of Plaintext Elements Is Replaced by a __________

question 11

Multiple Choice

A sequence of plaintext elements is replaced by a __________ of that sequence which means that no elements are added,deleted or replaced in the sequence,but rather the order in which the elements appear in the sequence is changed.

• A)permutation
• B)diffusion
• C)stream
• D)substitution

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Definitions:

Texture Gradients

A depth cue in which the density and detail of texture change with distance, helping the observer to perceive spatial relationships.

Depth Cue

Are visual or auditory indications that provide information on the relative distance of objects from an observer, aiding in perception of depth.

Interposition

A visual signal that an object is closer than the ones behind it because it obstructs their view.

Half-Moon Contours

Shapes or outlines that resemble the crescent form of the moon at either its first or last quarter phase.