GATE - 1997 | OS | Locality of reference implies that the page reference being made by
Posted on 01-03-2022
GATE - 1997 [Operating System]
Question:
Locality of reference implies that the page reference being made by a process
|
A |
will always be to the page used in the previous page reference |
|
B |
is likely to be to one of the pages used in the last few page references |
|
C |
will always be to one of the pages existing in memory |
|
D |
will always lead to a page fault |
Solution:
Option (B) is Correct.
Locality of reference is also called as principle of locality. There are three different principle of locality:
(1) Temporal locality
(2) Spatial locality
(3) Sequential locality
→ In programs related data are stored in consecutive locations and loops in same locations are used repeatedly.
Thank You