11. [5 points) is a kind of process that can affect or be affected by other processes executing in the system. 12. [5 points] Process synchronization can be done on both hardware and software level. True or False? 13.[5 points) ........ ............ is a condition that if a process is executing in its critical section, then no other processes can be executing in their critical section. 14. [5 points) A parent process calling system call will be suspended until children processes terminate. a) wait b) fork c) exit d) exec 15. [5 points] How is each process identified in UNIX? a) Process Control Block b) Device Queue c) Process Identifier d) None of the mentioned