A. illustrate that the system is in a safe state by demonstrating an order in which the threads may complete. otherwise, illustrate why the state is unsafe. b. if a request from thread t4 arrives for (0, 1, 1, 0), can the request be granted immediately? c. if a request from thread t3 arrives for (1, 2, 1, 2), can the request be granted immediately?

File i/o activity objective: the objective of this activity is to practice working with text files in c#. for this activity, you may do all code in the main class. instructions: create an app that will read integers from an input file name numbers.txt that will consist of one integer per record. example: 4 8 25 101 determine which numbers are even and which are odd. write the even numbers to a file named even.txt and the odd numbers to a file named odd.txt.