Explain why it may or may not be justified to keep a computer system on continuously.
What will be an ideal response?
The cost of keeping a computer system on continuously may be justified, particularly if it is used for business as well as personal purposes. Because we have become accustomed to instant communication and feel that any delay is unacceptable, a continuous Internet link may be worth the price of keeping a home computer running all the time. But if a cell phone can provide the same data link, it will be the most cost effective option, at least as far as power consumption is concerned. Likewise, a tablet or laptop computer without attached peripherals and a smaller screen will require less power to operate than a full desktop system.
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A solar collector has 16 rows of 4 ft. 4 in.? lengths of copper tubing painted black. What is the total length of black tubing in the collector?
Fill in the blank(s) with the appropriate word(s).
The word “privy” has at least six definitions listed in the dictionary, ranging from “an
outhouse” to “having an interest in.” This could lead to what communication barrier?
a. Jargon b. Semantics c. Communication overload d. Inconsistency e. Image deterioration
Lubrication comes in four forms: ____________________, gas, liquid, and solid.
Fill in the blank(s) with the appropriate word(s).
Bonding is required for which of the following hazardous (classified) locations?
A. Class I locations only B. Class I and Class II locations only C. Class I, Class II, and Class III locations D. If locknuts and bushings are tightened securely; extra bonding is not required in hazardous locations.