Operating System (OS) Semaphores are used for memory management are used to do I/O synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention None of these are used for memory management are used to do I/O synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one is true for unconditional disk formatting? Do not check/scan surface after format Transfer system files after format Destroys every byte of data on a disk by overwriting it with with blank spaces All of above Do not check/scan surface after format Transfer system files after format Destroys every byte of data on a disk by overwriting it with with blank spaces All of above ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is helpful in evaluating applications software what will best suit your needs? computer magazines All of these None of these recommendations by other users objective software reviews computer magazines All of these None of these recommendations by other users objective software reviews ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the function of an operating system ? Takes care of scheduling jobs for execution Manages compute's resources very efficiently All of the listed here Manages the flow of data and instructions Takes care of scheduling jobs for execution Manages compute's resources very efficiently All of the listed here Manages the flow of data and instructions ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... Execute more jobs in the same time period Are easier to develop than single programming system Are used only by large mainframe computer Execute each job faster Execute more jobs in the same time period Are easier to develop than single programming system Are used only by large mainframe computer Execute each job faster ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which is not external command ? Doskey Verify Find Print Doskey Verify Find Print ANSWER DOWNLOAD EXAMIANS APP
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