Specification description language (20 points) a. Explain why SDL is suitable for the design of distributed embedded systems. b. Explain using illustration, the design hierarchy of SDL as an embedded system design tool c. Explain the inter-process communication in SDL? d. Is SDL a determinate language? Please explain your answer! e. Explain how you can set and reset times in SDL? f. A timer is being set for the input "f" of the FSM shown below, when the current state is "E". Draw the SDL graphical representation including the timer. 4 g/w f/v B k C i/y D j/z E