Written 4: Driving Forward (15 marks)

Modern cars have a custom Operating System that manages a car's systems. For example, a touch screen may manage what profile is active, with specific settings for mirrors or seat height based on the user's settings, while another system may manage analytics on the car, such as readings on the engine temperature and efficiency. In fact, devices may interface with other devices automatically, such as bluetooth connections to phones to broadcast music or even receive instructions to turn on the car's heater to help remove snow.

1 mark 4.a) What type of environment is this OS? Suggested Length: 1-2 words.

5 marks 4.b) A car company wants to add a customized cache to this Smart Car OS hardware that allows for faster read/write access of small data structures (less than 4 kilobytes). What data structure from either Unit 5 or 6 would you suggest to be stored in this cache? Why? Suggested Length 2-5 sentences.

4 marks 4.c) The marketing department wants to add more wireless adapters (e.g., bluetooth) and usb connection ports. What are the advantage/disadvantages of these additions? Suggested Length 3-5 sentences. Reminder: This is a class on a certain topic

5 marks 4.d) Suppose they want to add a local file system to record each profile's logs to their car (for insurance purposes of tracking speed and other information). What are the advantage/disadvantages of these additions especially in terms of unit 2 and 3 concepts? Suggested Length 3-5 sentences.