11. Which component of a process is not shared across threads? register values heap memory open files data segment all of the above 12. Which is not a valid process state transition? running to waiting running to ready ready to running running to terminated new to running 13. A process control block includes information on the process's state stores the address of the next instruction to be processed by a different process determines which process is to be executed next is an example of a process queue all of the above 14. The refers to the number of processes in memory Oprocess count long-term scheduler degree of multiprogramming CPU scheduler none of the above 15. A saves the state of the currently running process and restores the state of the next process to run save-and-restore state switch context switch all of the above none of the above