Describe the purpose of data centers.
What will be an ideal response?
Data centers are large buildings where computers and data storage is centralized to provide any number of different services. Large corporations maintain billing centers or ordering centers, Internet service companies provide access, supercomputing sites do massive computing jobs, computer animation is done for movie or television studios, the government stores information, stock trades are tracked, and banks maintain accounts in centers like this.
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Resistance of a material to a cyclic load, one that varies in direction and/or magnitude, is called ____.
A. hardness B. fatigue strength C. ductility D. impact strength
When a DDC control system is used, the occupancy period control is found in the _____.
a. zone sensor b. zone controller c. DDC software EXE file d. main control panel
Weights at marketing and carcass evaluations are important records for:
A. meat production programs B. dairy production programs C. purebred breeding programs D. backyard producers
Answer the following statement(s) true (T) or false (F)
1. In a series circuit, current flow will decrease if more resistance is added to the circuit. 2. SPST switches are either on or off. 3. An 18-gauge wire is smaller than a 20-gauge wire. 4. Electrical tape is used to prevent moisture from entering a wiring repair. 5. A 36-watt light bulb has a lower resistance than a 42-watt light bulb.