Operating System (OS) Which of the following is not a system tool ? Doskey Disk defragment Scandisk Drive space Doskey Disk defragment Scandisk Drive space ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Semaphores synchronize critical resources to prevent contention synchronize critical resources to prevent deadlock None of these are used to do I/O are used for memory management synchronize critical resources to prevent contention synchronize critical resources to prevent deadlock None of these are used to do I/O are used for memory management ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The FIFO algorithm executes first the job that last entered the queue executes first the job that first entered the queue None of these execute first the job that has been in the queue the longest executes first the job with the least processor needs executes first the job that last entered the queue executes first the job that first entered the queue None of these execute first the job that has been in the queue the longest executes first the job with the least processor needs ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Essential files of MS DOS are Lo.sys All of the listed here Msdos.sys Command.com Lo.sys All of the listed here Msdos.sys Command.com ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... 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 Execute more jobs in the same time period Are easier to develop than single programming system ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) ___ is the operating systems file and folder Manager Windows Control Panel My Documents My Computer Windows Explorer Windows Control Panel My Documents My Computer Windows Explorer ANSWER DOWNLOAD EXAMIANS APP
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