Douglas Was a Proud Home Computer User

question 60

Multiple Choice

Douglas was a proud home computer user. He had his computer for 3 years and never had to open the case once. Douglas bought a large can of compressed air at the computer store because he heard compressed air was the appropriate tool to use when cleaning the computer. He took the unplugged computer to the dining room, opened the case, stuck the nozzle a few inches from the motherboard and sprayed. After several seconds of spraying, there is a strong likelihood for Douglas to think

• A) Oh, my gosh! The air forced some of the microchips off the motherboard.
• B) I should have vacuumed first.
• C) Compressed air isnʹt what it is cracked up to be.
• D) This compressed air stinks! No one should be allowed to use this stuff.

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Definitions:

Truth Table

A mathematical table used to determine the truth value of a logic expression based on all the possible combinations of its variables.

Contingent

Dependent on or conditioned by something else; subject to chance or variability.

Formula

A mathematical relationship or rule expressed in symbols, typically used to solve problems or to define a process.

Truth Table

A mathematical table used in logic to determine the truth values of a logical expression based on the truth values of its inputs.