Operating System (OS) A critical region is a program segment that has not been proved bug-free a program segment where shared resources are accessed one which is enclosed by a pair of P and V operations on semaphores a program segment that often causes unexpected system crashes none is the above a program segment that has not been proved bug-free a program segment where shared resources are accessed one which is enclosed by a pair of P and V operations on semaphores a program segment that often causes unexpected system crashes none is the above ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is/are external commands? All of above Sys Edit Label All of above Sys Edit Label ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The title bar always displays on Left side of the open window Right side of the open window Top of the open windows All of above Left side of the open window Right side of the open window Top of the open windows All of above ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the key is used to close the active window? Ctrl+F4 Ctrl+F5 Alt+F4 Alt+F6 Ctrl+F4 Ctrl+F5 Alt+F4 Alt+F6 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Scheduling is the same regard-less of the purpose of the system unrelated to performance consideration allowing jobs to use the processor not required in uniprocessor systems None of these the same regard-less of the purpose of the system unrelated to performance consideration allowing jobs to use the processor not required in uniprocessor systems None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not true about the memory management? virtual memory is used only in multi-user systems segmented memory can be paged None of these paging suffers from internal fragmentation segmentation suffers from external fragmentation virtual memory is used only in multi-user systems segmented memory can be paged None of these paging suffers from internal fragmentation segmentation suffers from external fragmentation ANSWER DOWNLOAD EXAMIANS APP
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