A Multiple Selection statement a) will always enforce mutual exclusion b) cannot use compound statements c) can be written to enforce mutual exclusion d) ALL of these
Added by Shawn H.
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" - A multiple selection statement does not inherently enforce mutual exclusion. It allows for multiple conditions to be true and does not prevent concurrent access to shared resources. Therefore, this statement is not necessarily true. Show more…
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All statements inside a block are intended at the same level. True False c) Not necessarily d) Depends on the user's choice.
Madhur L.
It is found that a program has multiple critical sections. Choose correct statements from below: (i) Multiple semaphores are needed for handling the situation. (ii) A single semaphore that uncompresses all the critical section is sufficient and is also more efficient. (iii) To get better control of the code, monitors need to be implemented. (A) (i) and (ii) (B) (ii) and (iii) (C) (i) and (iii) (D) (i), (ii), (iii)
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INTERPROCESS COMMUNICATION, CONCURRENCY AND SYNCHRONIZATION
Consider the following code that shows the structure of a process in an algorithm to solve the critical section problem for two processes. var flag[2] of Boolean; $/$ initialized to false $* /$ repeat flag $[i]=$ true while flag $[j]$ do no $-$ op; $/ /$ critical section flag $[i]=$ false // remainder until false Then which of the following statements is true? (A) The algorithm satisfies all the requirements of critical section problem. (B) The algorithm satisfies only mutual exclusion and progress. (C) The algorithm only satisfies progress requirement. (D) The algorithm does not satisfy critical section problem requirements.
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