FIFO ka matlab fist in fist out hota hai isme Jo saman pahle aaya hai unko pahle ikalna hota hai LIFO ka matalab last in fast out hota hai isme Jo saman hamara bad me aaya hai unko pahle diya jayega 

Fifo iska full form hai first in first out 

In fifo process data ka anusar ismai data ko in out krte h taki jo data hamnai enter kiya h uska balance bana rhai 

Fifo iska full form hai first in first out 

In fifo process data ka anusar ismai data ko in out krte h taki jo data hamnai enter kiya h uska balance bana rhai