In C language

(a) Signals and pipes are two mechanisms that can be used to communicate between processes. i) List two advantages of using signals for inter-process communication (ii) List two limitations in using signals for inter-process communication (ii) List two advantages of using pipes for inter-process communication (iv) List two limitations in using pipes for inter-process communication (b) (i) Give one difference between SIGSTOP (the stop signal) and SIGKILL (the kill signal) (i) Give one similarity between SIGSTOP (the stop signal) and SIGKILL (the kill signal) d Two major problems with most solutions to the critical section problem ane busy waiting and priority inversion (i) Very briefly, explain what busy waiting means, in the context of operating systems. (ii) Very briefly, explain what priority inversion means, in the context of operating systems (ii) How can these problems be resolved