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Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes.
Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?
  • a)
    The proposed solution prevents deadlock but fails to guarantee mutual exclusion
  • b)
    The proposed solution guarantees mutual exclusion but fails to prevent deadlock
  • c)
    The proposed solution guarantees mutual exclusion and prevents deadlock
  • d)
    The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusion
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Two processes X and Y need to access a critical section. Consider the ...
When both processes try to enter critical section simultaneously,both are allowed to do so since both shared variables varP and varQ are true.So, clearly there is NO mutual exclusion. Also, deadlock is prevented because mutual exclusion is one of the four conditions to be satisfied for deadlock to happen.Hence, answer is A.
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Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes.Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?a)The proposed solution prevents deadlock but fails to guarantee mutual exclusionb)The proposed solution guarantees mutual exclusion but fails to prevent deadlockc)The proposed solution guarantees mutual exclusion and prevents deadlockd)The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusionCorrect answer is option 'A'. Can you explain this answer?
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Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes.Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?a)The proposed solution prevents deadlock but fails to guarantee mutual exclusionb)The proposed solution guarantees mutual exclusion but fails to prevent deadlockc)The proposed solution guarantees mutual exclusion and prevents deadlockd)The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusionCorrect answer is option 'A'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes.Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?a)The proposed solution prevents deadlock but fails to guarantee mutual exclusionb)The proposed solution guarantees mutual exclusion but fails to prevent deadlockc)The proposed solution guarantees mutual exclusion and prevents deadlockd)The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusionCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes.Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?a)The proposed solution prevents deadlock but fails to guarantee mutual exclusionb)The proposed solution guarantees mutual exclusion but fails to prevent deadlockc)The proposed solution guarantees mutual exclusion and prevents deadlockd)The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusionCorrect answer is option 'A'. Can you explain this answer?.
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