Which of the following is NOT an example of an automated system? a. Adaptive cruise control systems which can match the speed of your car with the speed of the car in front of you. b. The onboard systems in commercial aviation that can takeoff, navigate, and land the plane without operator intervention. c. A sports car with a manual transmission that requires the driver to shift gears manually. d. The Kia factory employing robots on the assembly line to iteratively manufacture cars.

Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 3 minutes. When taking off, the run time of an airplane on the runway is 33 seconds. Planes are on average waiting 6 minutes and 48 seconds for takeoff. On average there are 16 planes taking off per hour. How many planes are either on the runway or waiting to take off? Round your answer to 2 decimal places.

What is the function of a flip-flop in digital circuits? a) It generates clock signals b) It converts analog signals to digital signals c) It stores a single bit of data d) It performs arithmetic operations.

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Suppose that 2000 students enter (and later leave) a classroom building over the 20 hours in which it is open.  On average, there are 200 students in the building.  Assuming the classroom building is operating in steady-state, which of the following statements are true? (Please tell me why C could be a right answer)   A. The number of students in the building is 100, on average. B. Students spend an average of 120 minutes in the building. C. The arrival rate at the building is 83.33 students per hour. D. The building must have at least 5 classrooms. E. None of the answers are correct.