COGNITIVE ASSESSMENT Which of the Following Is True About Cleaning

question 5

Multiple Choice

COGNITIVE ASSESSMENT Which of the following is true about cleaning and fixing scratches on an optical disc?

• A) Hold the can of compressed air upright while blowing excess dust off of the surface.
• B) You should wipe debris off the disc's surface from the edge toward the center.
• C) It is OK to insert a wet disc in a computer.
• D) Use a gel toothpaste on a scratched area if you do not have a rubbing compound.

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Definitions:

Ratio

A mathematical ratio defining how often one number is included in or includes another.

Unknown Quantity

A variable or value within a mathematical problem or equation that has not yet been determined or identified.

Proportion

A constituent, allotment, or figure regarded in context with its aggregate.

Unknown Quantity

A variable or value in mathematics and algebra that is not known or specified.