A 400-W Computer (Including Its Monitor)is Turned on for 8

question 42

Multiple Choice

A 400-W computer (including its monitor) is turned on for 8.0 hours per day.If electricity costs 10¢ per kWh,how much does it cost to run the computer annually for a 365-day year?

• A)$120
• B)$1200
• C)$15
• D)$150

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Definitions:

Fracking

Fracking, short for hydraulic fracturing, is a technique used to extract oil and natural gas from the earth by injecting high-pressure fluid into underground rocks.

Natural Gas

A fossil fuel composed primarily of methane, used as a source of energy for heating, cooking, and electricity generation.

Contaminated

Made impure or unsuitable by contact or mixture with a harmful substance.

Traditional Technologies

Are established methods and tools that have been historically used in production, manufacturing, or processes without significant modern innovations.