One of the Most Significant Contributions of UNIX to the Development

question 21

Multiple Choice

One of the most significant contributions of UNIX to the development of operating systems is the _________ .

• A) semaphore
• B) shared memory
• C) message
• D) pipe

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Definitions:

Perspective

A monocular cue for depth based on the convergence (coming together) of parallel lines as they recede into the distance.

Weber's Constant

A principle in psychophysics that quantifies the smallest change in a stimulus that can be detected, stating that this change is a constant proportion of the original stimulus intensity.

Threshold

The point at which a stimulus is strong enough to be detected or to cause a response.

Difference Threshold

The smallest detectable difference between two stimuli or the minimum change in a stimulus that can be correctly perceived as differing from a reference stimulus.