Which of the following is not is a race condition in operating systems? A. It is a condition in which one thread is running faster than other threads. B. It refers to a deadlock situation where no progress is possible. C. It is a situation where a process is stuck in an infinite loop. D. It occurs when one thread or process accesses shared data simultaneously, and the final outcome is unpredictable.
Question
Which of the following is not is a race condition in operating systems? A. It is a condition in which one thread is running faster than other threads. B. It refers to a deadlock situation where no progress is possible. C. It is a situation where a process is stuck in an infinite loop. D. It occurs when one thread or process accesses shared data simultaneously, and the final outcome is unpredictable.
Solution
The correct answer is C. A race condition in operating systems does not refer to a situation where a process is stuck in an infinite loop. This is more commonly referred to as an infinite loop or endless loop, which is a sequence of instructions in a computer program which loops endlessly, either due to the loop having no terminating condition, having one that can never be met, or one that causes the loop to start over.
Race conditions, on the other hand, are situations in a system where the output is dependent on the sequence or timing of other uncontrollable events. They become problematic when they lead to undesirable events such as crashes or faulty execution of programs.
Option A, B, and D are all examples of race conditions. Option A refers to a situation where one thread is running faster than others and accessing shared data, potentially leading to inconsistent or unpredictable results. Option B refers to a deadlock situation, which is a state where each member of a group is waiting for some other member to take action (such as sending a message or releasing a lock), which could also be a result of a race condition. Option D is the most direct definition of a race condition, where simultaneous access to shared data leads to unpredictable outcomes.
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