Diagnosing a Loss of the Computer's Reference Voltage Is Being

question 19

Multiple Choice

Diagnosing a loss of the computer's reference voltage is being discussed. Technician A says that the VREF signal should be between about 4.2 and 5.2 V when measured at a sensor. Technician B says that the VREF signal should be between about 5.2 and 9.6 V. Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Balanced Polymorphism

A situation in genetics where two or more alleles of a gene persist in a population because they each offer a survival advantage.

Sister Groups

Groups of organisms that share an immediate common ancestor, and therefore are each other's closest relatives.

Phenotype

An individual’s observable traits.

Directional Selection

A mode of natural selection where individuals with traits on one end of the spectrum are more likely to survive and reproduce, causing a shift in the population's genetic makeup.