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Which of the Following Is a Device That Uses a Light

question 195

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Which of the following is a device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process?


Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including conditions such as coronary artery disease, heart failure, and stroke.

Premenstrual Dysphoric Disorder

A severe form of premenstrual syndrome that significantly affects mood and interferes with daily activities.

Emotional Stress

A condition of mental strain or tension resulting from demanding circumstances or emotional conflicts, impacting one's feelings and emotional state.

EKG-stress Testing

A diagnostic tool that measures the heart's electrical activity during physical stress to identify heart disorders.

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