Operating System (OS) A critical region is a program segment that has not been proved bug-free 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 where shared resources are accessed a program segment that has not been proved bug-free 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 where shared resources are accessed ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is a disk compression tool? Defragmenter None of these Drive space Scan disk Defragmenter None of these Drive space Scan disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The ...... provides information about hardware installation, configuration and hardware status Program manager Control panel Device manager Add new hardware Program manager Control panel Device manager Add new hardware ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What scheduling algorithm allows processes that are logical runnable to be temporarily suspended? FIFO preemptive scheduling non-preemptive scheduling FCFS None of these FIFO preemptive scheduling non-preemptive scheduling FCFS None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Supervisor state is None of these never used entered by programs when they enter the processor only allowed to the operating system required to perform any I/O None of these never used entered by programs when they enter the processor only allowed to the operating system required to perform any I/O ANSWER DOWNLOAD EXAMIANS APP
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