Which of the Following Regarding Mutex Lock Is NOT True

question 29

Multiple Choice

Which of the following regarding mutex lock is NOT true?

• A) mutex lock is a hardware solution to critical-section problem
• B) mutex lock is a higher-level software solution to critical-section problem
• C) mutex lock suffers from busy waiting
• D) the general rule of thumb is to use a mutex lock if the lock will be held for a duration less than two context switches

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