What Method Is Used to Read a Bar Code

question 124

Multiple Choice

What method is used to read a bar code?

• A)The magnetic bar codes are converted by a bar code reader into a form that a computer can process.
• B)A laser translates the bars on the bar code into digital signals that are stored in RAM.
• C)A laser scanner produces light beams that pass through a scanner filter which then translates the light patterns into digital patterns that can be interpreted by the CPU.
• D)A bar code reader uses laser beams to read bar codes.

Understand the concept of sensory thresholds including absolute threshold and difference threshold.

Recognize the process and significance of sensation and perception in the interpretation of stimuli.

Identify the role and function of sensory receptors and neurons in sensory processing.

Grasp the concept of sensory adaptation and its effects on perception.

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Definitions:

Physical Illness

Physical illness pertains to conditions or diseases affecting the body’s systems and functions, often characterized by specific symptoms and signs.

Employed

Employed refers to a person who works for another person or company in exchange for financial or other compensation.

Senile

Senile refers to the deterioration of cognitive abilities associated with old age, particularly marked by memory loss, disorientation, and confusion.

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Residential facilities that provide a high level of long-term personal and nursing care for individuals who cannot be cared for at home.