Question Detail Operating system is A collection of hardware componentsA collection of input output devicesA collection of software routinesAll of above Answer: Option C Similar Questions : 1. In which scheduling policies, context switching never takes place FCFSround robinShortest job firstPre-empitive Answer: Option A 2. Operating system is A collection of hardware componentsA collection of input output devicesA collection of software routinesAll of above Answer: Option C 3. Which technique is used by operating systems to execute several programs concurrently by switching back and forth PartitioningMultitaskingWindowingPaging Answer: Option C 4. Which one is true The linkage editor is used to edit programs which have to later link togetherThe linkage editor links object module during compilingThe linkage editor links objects modules and resolves external references between them before loadingnone of above Answer: Option C 5. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and mutual exclusionrace conditionbuffer overflowNone of above Answer: Option A Read more from - Operating System Questions Answers - Chapter 1