Operating Systems - Process vs Thread - Key Differences
A candidate claims that threads are always safer than processes because they share the same memory space and can easily communicate. What is the flaw in this reasoning?
A candidate claims that threads are always safer than processes because they share the same memory space and can easily communicate. What is the flaw in this reasoning?
medium🐞 Bug Identification Q7 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand shared memory risks
Threads share memory, which requires synchronization to avoid data races and corruption.Step 2: Analyze candidate's claim
Claim ignores synchronization needs, leading to unsafe behavior.Step 3: Evaluate options
Shared memory increases the risk of data corruption without proper synchronization correctly identifies the flaw: shared memory can cause corruption without synchronization.Final Answer:
Option B -> Option BQuick Check:
Shared memory requires synchronization for safety [OK]
Quick Trick: Shared memory needs synchronization to be safe [OK]
Common Mistakes:
MISTAKES- Believing processes cannot communicate
- Thinking threads have separate memory spaces
Trap Explanation:
PITFALL- Candidates confuse communication ease with safety, ignoring synchronization complexity.
Interviewer Note:
CONTEXT- Identifies misconceptions about thread safety and shared memory.
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