For the following kinds of systems give your best recommendation as to the most likely commercial real-time operating system to use based on the selection criteria you developed

(a) A controller application for the fuel injection system of a passenger car.

(b) A hand-held game application.

(c) The F-16 navigation system.

(d) An animatronic robot used in the filming of a new science fiction movie.

(e) A medical device that reduces the time needed for an MRI scan.

Make whatever assumptions you like, but document them.