Operating System (OS) Semaphores are used to do I/O synchronize critical resources to prevent contention None of these are used for memory management synchronize critical resources to prevent deadlock are used to do I/O synchronize critical resources to prevent contention None of these are used for memory management synchronize critical resources to prevent deadlock ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The ability of an operating system to control the activities of multiple program at the same time is called Multitasking Multipaging Multioperating Multiprocessing Multitasking Multipaging Multioperating Multiprocessing ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not a system tool ? Doskey Scandisk Drive space Disk defragment Doskey Scandisk Drive space Disk defragment ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) ...... runs on a computer hardware and serves as a platform for other system to run on System software Application system Operating system All of above System software Application system Operating system All of above 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) Which of the following appear in Windows menu bar? File Help Edit All of above File Help Edit All of above ANSWER DOWNLOAD EXAMIANS APP
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