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Which of the following are TRUE for direct communication?
  • a)
    A communication link can be associated with N number of process(N = max. number of processes supported by system)
  • b)
    A communication link is associated with exactly two processes
  • c)
    Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)
  • d)
    Exactly two link exists between each pair of processes
Correct answer is option 'B'. Can you explain this answer?
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Which of the following are TRUE for direct communication?a)A communica...
For direct communication, a communication link is associated with exactly two processes. One communication link must exist between a pair of processes.
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Which of the following are TRUE for direct communication?a)A communica...
Direct Communication - Explanation

Communication Link Association:
- In direct communication, a communication link is associated with exactly two processes.
- This means that each communication link establishes a direct connection between two specific processes.

Number of Links:
- Each pair of processes in direct communication has exactly one link between them.
- Therefore, there is exactly one link between each pair of processes in direct communication.

Explanation of Correct Answer (Option B):
- The correct answer is option B, which states that a communication link is associated with exactly two processes.
- This statement is true for direct communication as each link connects only two processes directly.
- This ensures a direct and specific communication path between the two processes involved in the communication.
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Barrier is a synchronization construct where a set of processes synchronizes globally i.e. each process in the set arrives at the barrier and waits for all others to arrive and then all processes leave the barrier. Let the number of processes in the set be three and S be a binary semaphore with the usual P and V functions. Consider the following C implementation of a barrier with line numbers shown on left.void barrier (voi d) {1: P(S);2: process_arrived++;3. V(S);4: while (process_arrived !=3);5: P(S);6: process_left++;7: if (process_left==3) {8: process_arrived = 0;9: process_left = 0;10: }11: V(S);}The variables process_arrived and process_left are shared among all processes and are initialized to zero. In a concurrent program all the three processes call the barrier function when they need to synchronize globally. The above implementation of barrier is incorrect. Which one of the following is true?

Barrier is a synchronization construct where a set of processes synchronizes globally i.e. each process in the set arrives at the barrier and waits for all others to arrive and then all processes leave the barrier. Let the number of processes in the set be three and S be a binary semaphore with the usual P and V functions. Consider the following C implementation of a barrier with line numbers shown on left.void barrier (voi d) {1: P(S);2: process_arrived++;3. V(S);4: while (process_arrived !=3);5: P(S);6: process_left++;7: if (process_left==3) {8: process_arrived = 0;9: process_left = 0;10: }11: V(S);}Q.The variables process_arrived and process_left are shared among all processes and are initialized to zero. In a concurrent program all the three processes call the barrier function when they need to synchronize globally. The above implementation of barrier is incorrect. Which one of the following is true?

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Which of the following are TRUE for direct communication?a)A communication link can be associated with N number of process(N = max. number of processes supported by system)b)A communication link is associated with exactly two processesc)Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)d)Exactly two link exists between each pair of processesCorrect answer is option 'B'. Can you explain this answer?
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Which of the following are TRUE for direct communication?a)A communication link can be associated with N number of process(N = max. number of processes supported by system)b)A communication link is associated with exactly two processesc)Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)d)Exactly two link exists between each pair of processesCorrect answer is option 'B'. 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 Which of the following are TRUE for direct communication?a)A communication link can be associated with N number of process(N = max. number of processes supported by system)b)A communication link is associated with exactly two processesc)Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)d)Exactly two link exists between each pair of processesCorrect answer is option 'B'. 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 Which of the following are TRUE for direct communication?a)A communication link can be associated with N number of process(N = max. number of processes supported by system)b)A communication link is associated with exactly two processesc)Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)d)Exactly two link exists between each pair of processesCorrect answer is option 'B'. Can you explain this answer?.
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