Process scheduling

Question

Determine True/ False for the following statement ?

1. prefetching is a method of overlapping the I/o of a job with that jon own computation

2.With spooling scheme , where the CPU overlaps  the input of one job with the computation and output of other jobs

3.Spooling is handled transparently by system

4.Spooling is much more effective way of overlapping I/O and CPu operation

Answer 1

(A) - True

(B) - True

(C) - True. Since it is managed by the System. Unnecessary details are hidden from the user by Transparency.

(D) - True

Refer to the following link