Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Questions  >  Consider the following snapshot of a system r... Start Learning for Free
Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?
  • a)
    min (Xp, Xq) < max (Yk) where k != p and k != q
  • b)
    Xp + Xq >= min (Yk) where k != p and k != q
  • c)
    max (Xp, Xq) > 1
  • d)
    min (Xp, Xq) > 1
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following snapshot of a system running n processes. Proce...
Deadlock refers to a specific condition when two or more processes are each waiting for another to release a resource, or more than two processes are waiting for resources. Solution: Necessary condition to guarantee no deadlock which means without satisfying this condition, no deadlock is possible. Both the process p and q have no additional requirement; they both can be finished releasing Xp + Xq resources without asking for any additional resource. Using this, we can finish one more process only if condition B is satisfied. If the resources released by p and q are sufficient for another process waiting for Yk resources, then system is not approaching deadlock. i.e Xp+Xq > min (Yk) where k != p and k != q Note: Option B just ensured that the system can proceed from the current state. It does not guarantee that there won’t be a deadlock before all processes are finished.
View all questions of this test
Most Upvoted Answer
Consider the following snapshot of a system running n processes. Proce...
Based on the given snapshot, we can conclude the following:

1. Total number of processes: n
2. Total number of instances of resource R: X1 + X2 + ... + Xn

To determine the maximum number of processes that can be running simultaneously without causing a deadlock, we need to consider the availability of the resource R.

Let's assume that the maximum number of instances of resource R that can be allocated at any given time is Y.

If Y is less than or equal to the total number of instances of resource R currently held by all processes (X1 + X2 + ... + Xn), then there will be a deadlock. This is because there are not enough instances of resource R available to satisfy the needs of all the processes.

However, if Y is greater than the total number of instances of resource R currently held by all processes (X1 + X2 + ... + Xn), then there will not be a deadlock. This is because there are enough instances of resource R available to satisfy the needs of all the processes.

Therefore, the maximum number of processes that can be running simultaneously without causing a deadlock is min(n, Y/(X1 + X2 + ... + Xn)).
Explore Courses for Computer Science Engineering (CSE) exam

Similar Computer Science Engineering (CSE) Doubts

Top Courses for Computer Science Engineering (CSE)

Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer?
Question Description
Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct 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 Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct 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 Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer?.
Solutions for Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE). Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
Here you can find the meaning of Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock?a)min (Xp, Xq) < max (Yk) where k != p and k != qb)Xp + Xq >= min (Yk) where k != p and k != qc)max (Xp, Xq) > 1d)min (Xp, Xq) > 1Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.
Explore Courses for Computer Science Engineering (CSE) exam

Top Courses for Computer Science Engineering (CSE)

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev