Operating System (OS) Semaphores synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used for memory management are used to do I/O None of these synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used for memory management are used to do I/O None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Running multiple programs at the same time is called: Single tasking Symmetric Foreground tasking Multitasking Single tasking Symmetric Foreground tasking Multitasking ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In which of the storage placement strategies a program is placed in the largest available hole in the main memory? None of these buddy first fit best fit worst fit None of these buddy first fit best fit worst fit ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) When you open my computer on desktop you see the information of CD All of these Removable disk Hard disk CD All of these Removable disk Hard disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them? Multitasking Partitioning Windowing Paging None of these Multitasking Partitioning Windowing Paging None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To send email, we use MS Excel Outlook Explorer Netscape navigator HTML MS Excel Outlook Explorer Netscape navigator HTML ANSWER DOWNLOAD EXAMIANS APP
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