Given Page requests: Reference string: $1,1,2,1,1,3,1,4,3,2,4,2$

$1.$

LRU

Assume there are $3$ page frames of physical memory

$3.$

NFU $/$ LFU

Assume there are $3$ page frames of physical memory

There can be situation$/$s where more than one page can be evicted. In that case: use LRU to determine which page gets evicted.

$3.$

AGING

Assume there are $3$ page frames of physical memory

Also assume there are $4$ bits in the counter for each page