Operating System (OS) Semaphores synchronize critical resources to prevent contention None of these are used for memory management synchronize critical resources to prevent deadlock are used to do I/O synchronize critical resources to prevent contention None of these are used for memory management synchronize critical resources to prevent deadlock are used to do I/O ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A character that represents one or more unknown character is None of above Wildcard character All file name Extensions None of above Wildcard character All file name Extensions ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which operating system doesn't support networking between computers? Windows NT Windows 95 Windows 3.1 Windows 2000 Windows NT Windows 95 Windows 3.1 Windows 2000 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The maximum length of any single path from the root directory? 63 80 54 27 63 80 54 27 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following command is used to switch between the window programs? None of these Ctrl+Tab Alt+Tab Alt+F4 None of these Ctrl+Tab Alt+Tab Alt+F4 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The ....... is a temporary storage area in memory where you can attach text or graphics information Clipboard Copyboard None of above Both a and b Clipboard Copyboard None of above Both a and b ANSWER DOWNLOAD EXAMIANS APP
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