Question Detail What are global locks ? they synchronize access to local resourcesthey synchronize access to global resourcesthey synchronize access to local and global resourcesnone of above Answer: Option B Similar Questions : 1. Files can have ? Read AccessWrite AccessCopy AccessAll of above Answer: Option D 2. Which of following is not an advantage of multiprogramming ? increased throughputshorter response timeability to assign priorities of jobsdecreased system overload Answer: Option D 3. Spooling is most beneficial where Jobs are I/O boundJobs are CPU boundJobs are evenly divided as I/O bound and CPU boundAll of above Answer: Option C 4. Which scheduling policy is most suitable for time shared operating system ? Shortest job firstFCFSLCFSRound robin Answer: Option D 5. Supervisor state is only allowed to ? Utility SoftwaresApplication SoftwaresOperating SystemGuest User Answer: Option C Read more from - Operating System Questions Answers - Set 2