Polling ________
A) is more efficient than interrupt-driven processor operation
B) has the processor operate normally until a device signals that it requires servicing
C) requires the processor to periodically check each device to see which if any of them require servicing
D) none of the above
C
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For an outdoor floor, what is the most popular surface?
A) Turfgrass B) Tile C) Crushed stone D) Wood chips
Net profit, shown as a formula, would look like ________
A) Income - Expenses = Net Income B) Net Profit - Expenses = Gross C) Expenses + Income + Net Income D) Expenses - Income = Net Profit
The result of a casting print is the fabrication of a part.
Answer the following statement true (T) or false (F)
A 45% (0.45) operating factor means that only 45% of the welder's day is spent on ____.
A. welding and installing a new electrode or wire B. welding C. welding and cleaning spatter from the welding gun D. welding and cleaning slag