The 220-901 Exam Tests Your Knowledge of Computer _______________, Expecting

question 19

Short Answer

The 220-901 exam tests your knowledge of computer _______________, expecting you to be able to identify just about every common device on PCs, including variations within device types.

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Definitions:

Alpha Motor Neurons

Nerve cells that innervate muscle fibers, responsible for initiating muscle contraction.

Muscle Spindle

A sensory receptor located in muscles that senses changes in muscle length and contributes to the control of muscle contraction.

Afferent Neurons

Nerve cells that carry sensory information from the body's periphery to the central nervous system.

Stretch Reflex

A muscle contraction in response to stretching within the muscle, serving as a protective mechanism to prevent overstretching.