Which memory management scheme breaks physical memory into fixed-sized blocks called 'frames' and logical memory into blocks of the same size called 'pages'? MCQ with Answer and Explanation
Which memory management scheme breaks physical memory into fixed-sized blocks called 'frames' and logical memory into blocks of the same size called 'pages'?
A. Dynamic Swapping
B. Paging
C. Segmentation
D. Continuous Allocation
Answer: Option B
Solution (By JKSSB Mock Tests)
Paging splits physical memory into fixed-size chunks called frames and logical process space into pages of equal dimension, avoiding external fragmentation.
Explanation:
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
Which security mechanism in Android keeps individual apps completely isolated from each other so they cannot access another app's data without explicit permission?
Explanation:
Android leverages App Sandboxing, backed by Linux user group permissions, to run each application in an isolated environment so it cannot access other applications' operational files.
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