Hello can u help me with this questions please ?

i have last 25 min

Q1 In FAT-based systems, an allocation table item can have the following values: Select one or more: a. Busy and not last in the chain b. Locked for exclusive access c. Occupied and last in the chain d. Free e. Damaged Q2 Q4 In a four-level page index table, the page number is: In which swapping algorithms is it necessary to collectively clear the bits R ? Select one or more: a. LRU b. LFU c. working set d. no algorithm e. working set Select one or more: f. second chance a. in the first level table - the leftmost in the figure g. FIFO b. in the table of the last level - the rightmost in the figure h. NRU c. part in the table of each level i. clock Q3 In a multiprocessor operating system, interrupt blocking is sufficient to prevent the microkernel from executing its routines simultaneously Select one: True False