In RS-232-C, the signal ground is used
a. to remove noise from a cable shield
b. as a reference voltage
c. as a safety mechanism
d. none of the above
b
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Which of the following is NOT one of British Airways seven distinct air travel products?
a. Deluxe service (First Class) b. Club World (Business Class) c. Club Britain (Business Class) d. Club Europe (Business Class) e. Euro-Traveler (Economy Class)
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Web 2.0 includes each of the following except:
a. social networking b. static web pages c. podcasting d. user-generated video sites e. blogs
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