19. Given the reference string of page accesses: 1 2 3 4 2 3 4 1 2 1 1 3 1 4 and a system with
three page frames, what is the final configuration of the three frames after the LRU
algorithm is applied? Assume the FIFO queue is left out right in.
(A)1,3,4
(B) 3, 1.4
(C)4,1,2
(D)1,2,3
(E) 1,4,3
7. The following time series represents sales of imported cars in a city for the years 20I I through 2017: Suppose we e want to estimate annual sales of imported cars in the year 2018. The expected number of imported
car sales is____________.