Critical Thinking Questions Case 11-1

question 26

Multiple Choice

Critical Thinking Questions Case 11-1
You recently started a new job working with databases. You receive training on maintaining the database from your boss, Gregor.
Gregor tells you that when a DBMS flags a deleted record, ______.

• A) it is deleted logically
• B) it is removed physically from the drive
• C) it means the data is invalid
• D) nothing happens -- records cannot be deleted

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Definitions:

Blind Spot

The point in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light levels and are primarily responsible for night vision and peripheral vision.

Peripheral Vision

The ability to see objects and movement outside of the direct line of vision.

Daytime Vision

The ability to see during daylight hours, primarily utilizing the photopic vision system, which is sensitive to bright light.