(Exercise 10.1 from [Priestley; 2004]) What state is the CD player specified in the below figure after the following sequences of events are detected? Assume that a CD is always present when tested for.

(a) Initialize, load.

(b) Initialize, load, play, stop.

(c) Initialize, load, play, pause, play.

(d) Initialize, play, stop, load.

(e) Initialize, load, pause, play.

Busy Not Playing entry find track start stop play CCD present Playing closed do play track U last track played load not last track /open load close play pause pause ncrement track Gad Paused open off no CD stop