Changes Made to a System to Add New Features or to Improve

question 90

Multiple Choice

Changes made to a system to add new features or to improve performance best describes:

• A)corrective maintenance
• B)adaptive maintenance
• C)preventive maintenance
• D)perfective maintenance

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Definitions:

Friction

A force that opposes the movement of two surfaces that are in contact with each other.

Adaptation

The process by which organisms adjust to their environment in order to survive and reproduce, including changes in structure, function, or behavior.

Limbs

Appendages on the human body or on other animals, used for movement or manipulation.

Walk

The act of moving at a regular pace by lifting and setting down each foot in turn, never having both feet off the ground at once.