A system has n resources R0,...,Rn-1,and k processes P0,....Pk-1.The implementation of the resource request logic of each process Pi is as follows: if (i % 2 == 0) { if (i < n) request Ri if (i+2 < n) request Ri+2 } else { if (i < n) request Rn-i if (i+2 < n) request Rn-i-2 } In which one of the following situations is a deadlock possible?

A system has n resources R0,...,Rn-1,and k processes P0,....Pk-1.The i

1.	A system has n resources R0,...,Rn-1,and k processes P0,....Pk-1.The implementation of the resource request logic of each process Pi is as follows: if (i % 2 == 0) { if (i < n) request Ri if (i+2 < n) request Ri+2 } else { if (i < n) request Rn-i if (i+2 < n) request Rn-i-2 } In which one of the following situations is a deadlock possible?
A.	n=40, k=26
B.	n=21, k=12
C.	n=20, k=10
D.	n=41, k=19
Answer» C. n=20, k=10

Discussion

No Comment Found

Related MCQs

Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how many distinct 4 digit numbers greater than 3000 can be formed?
5 skilled workers can build a wall in 20 days: 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?
If 137 + 276 = 435 how much is 731 + 672?
Modern warfare has changed from large scale clashes of armies to suppression of civilian populations. Chemical agents that do their work silently appear to be suited to such warfare; and regretfully, there exist people in military establishments who think that chemical agents are useful tools for their cause. Which of the following statements best sums up the meaning of the above passage:
Hari(H), Gita(G), Irfan(I) and Saira(S) are siblings (i.e., brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following facts: i. Hari's age + Gita's age > Irfan's age + Saira's age ii. The age difference between Gita and Saira is 1 year. However Gita is not the oldest and Saira is not the youngest. iii. There are no twins. In what order were they born (oldest first)?
The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair. Unemployed: Worker
25 persons are in a room. 15 of them play hockey, 17 of them play football and 10 of them play both hockey and football. Then the number of persons playing neither hockey nor football is;
Choose the most appropriate word from the options given below to complete the following sentence: If we manage to ____________ our natural resources, we would leave a better planet for our children.
Which of the following options is closest in meaning to the word Circuitous.
Choose the most appropriate word from the options given below to the complete the following sentence: His rather casual remarks on politics ___________ his lack of seriousness about the subject.

Discussion

No Comment Found

Related MCQs

Reply to Comment