Which of the following best describes a condition where the working set model effectively minimizes thrashing in a system with multiple processes?

easy🔍 Problem Recognition Q1 of Q15

Operating Systems - Thrashing - Working Set Model & Prevention

AWhen each process is allocated enough frames to cover its current working set size

BWhen the system uses a fixed number of frames per process regardless of workload

CWhen processes share frames dynamically without tracking working sets

DWhen the system ignores page fault rates and allocates frames statically

Step-by-Step Solution

Solution:

Step 1: Understand the working set model allocation
The working set model allocates frames based on the current set of pages a process actively uses, ensuring enough frames to hold these pages.
Step 2: Identify how thrashing is minimized
Thrashing is minimized when each process has enough frames to hold its working set, reducing page faults and excessive paging.
Final Answer:
Option A -> Option A
Quick Check:
Allocating frames per working set size reduces thrashing [OK]

Quick Trick: Enough frames for working set prevent thrashing [OK]

Common Mistakes:

MISTAKES

Trap Explanation:

PITFALL

Interviewer Note:

CONTEXT

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