1. For, the code listed below: 1 . #include 2. int i; 3. int p (int y) 4. { int j=1; return y; 6 void q(void) f int j; 10 printf ("%d ", p (1+1) ) ; 12. 13. main() 14. q); 15. return 0; 16. List the stack-based runtime environment with activation records as program enters line 5 during execution. 2. (1) Explain the flow and steps in a context switch of processes in execution along with the role that PCBs play in this process. (II) Explain the use of different types of queues in the context of process scheduling