Communication controllers in microcontrollers ________
A) require little configuration to operate
B) require a separate external clock source to operate
C) allow microcontrollers to communicate with other devices using specific communication protocols
D) support only UART communication
C
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You built a rectangular deck 14 ft long and 12 ft wide with a set of steps 48 inches wide. You builta railing on the outside using 2X4s around the top, capped with a 6-in deck board. The spindles were spaced on 4-inch or less centers. You built a rectangular patio 14 feet by 16 feet, using 4 inches of concrete for the floor. For the patio you removed 7 inches of dirt and replaced it with 3 inches of sand. To prevent erosion you constructed a 400-square-foot retaining wall. You used stones 15 inches wide, 6 inches high, and 10 inches deep. You are also a groundskeeper for an 18-hole golf course. The greens average 92 feet in diameter on which you applied 5 pounds per 1,000 square feet of 18-5-12 units of fertilizer. The fertilizer comes in 50-pound bags at $32.98 per bag.
a. How many square feet are in the deck? b. How many deck boards are needed for the floor running the length of the deck? c. How many of what length 2X4s and deck boards are needed for the railing? d. Approximately how many spindles are needed? e. What is the area of the patio? f. How many cubic feet of dirt were removed? g. How many cubic feet of sand are needed? h. How many cubic yards of concrete are needed? i. How many stones are needed for the retaining wall? j. What did it cost to fertilize the greens?
The expansion of cities into farmland areas is known as ____________________ sprawl
Fill in the blank(s) with correct word
Which is a characteristic of many hybrid electric vehicle (HEV) gasoline engines?
A) Smaller displacement B) Variable valve timing and/or displacement C) Offset Crankshaft D) All of the above
Since the early 1970s, the most significant legislation passed has been the Occupational Safety and Health Act (OSHA) of 1970.