http://girdhargopalbansal.blogspot.com/2013/05/operating-system-gate-questions.html
https://collegedunia.com/exams/gate/syllabus
1. Which of the following is NOT a valid deadlock prevention scheme? (GATE CS 2000)
(a) Release all resources before requesting a new resource
(b) Number the resources uniquely and never request a lower numbered resource than the last one requested.
(c) Never request a resource after releasing any resource
(d) Request and all required resources be allocated before execution.
Answer: (c)https://collegedunia.com/exams/gate/syllabus
1. Which of the following is NOT a valid deadlock prevention scheme? (GATE CS 2000)
(a) Release all resources before requesting a new resource
(b) Number the resources uniquely and never request a lower numbered resource than the last one requested.
(c) Never request a resource after releasing any resource
(d) Request and all required resources be allocated before execution.
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