operating systems

hurry up please

The long term scheduler is important because? It loads jobs from memory to cache and creates a mix from CPU and I/O bound processes. b: It loads jobs to memory and creates a mix of I/O and CPU bound processes. It controls the degree of multiprogramming and the degree of parallel programming. d. It controls the degree of multiprogramming and selects the next process to run. Which of the following scheduling algorithms can prevent starvation? O a. Round Robin O b. SJE O c. Only FIFO od. FIFO e. Only FIFO and Round Robin f. Only SJF and Round Robin Which one of the following statements about system security is correct? 9. A computer running a multiuser OS is more secure than one running a single user OS. ob A computer system these days is more secure than when it was run by an operator. A computer that is connected to the internet is less secure than one which is not connected. A computer system these days does not need an OS