Difficulties Arise in Concurrency s Types: interleaving and overlapping The sharing of global resources is fraught with e It is difficult for the os to manage the allocation of resources optimally It is difficult to locate a programming error because results are typically not reproducible. PROCESSES AND SCHEDULINGPROCESSES AND SCHEDULING Difficulties Arise in Concurrency ❖Types: interleaving and overlapping. ❖The sharing of global resources is fraught with peril. ❖It is difficult for the OS to manage the allocation of resources optimally. ❖It is difficult to locate a programming error, because results are typically not reproducible