hello can u answer my questions please ?

LRU algorithm consists in: Select one or more: a. Downloading to the memory of the page that will be needed as soon as possible b. Downloading to memory the page that is most often needed c. Ejecting the most recently used page from memory d. Removing the least used page from memory 34 In indulgent scheduling, the process keeps the CPU until: Select one or more: a. next interrupt from the device b. termination c. next interrupt from the timer d. waiving 35 Which of the following facilities or abilities are required to provide mutual exclusion support? Select one or more: a. Task scheduling must be considered. b. The task stays in its critical section only for a finite amount of time. c. The relative speeds of the tasks must be taken into account. d. A task that is performed outside the critical section must not affect the behavior of a task in the critical