Operating System (OS) Which one of the following is not a layer of operating system? Shell Kernel Critical selection Application program Shell Kernel Critical selection Application program ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is a disk compression tool? Scan disk None of these Defragmenter Drive space Scan disk None of these Defragmenter Drive space ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What problem is solved by Dijkstra's banker's algorithm? mutual exclusion None of these deadlock recovery deadlock avoidance cache coherence mutual exclusion None of these deadlock recovery deadlock avoidance cache coherence ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not a video file extension? .avi .wav .mov .mpeg .avi .wav .mov .mpeg ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Non-modifiable procedures are called reentrant procedures None of these topdown procedures concurrent procedures serially usable procedures reentrant procedures None of these topdown procedures concurrent procedures serially usable procedures ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called? None of these Upward compatibility Universality Upward mobility Upgradability None of these Upward compatibility Universality Upward mobility Upgradability ANSWER DOWNLOAD EXAMIANS APP
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