Operating System (OS) Which of the following command is used to switch between the window programs? Alt+F4 Ctrl+Tab None of these Alt+Tab Alt+F4 Ctrl+Tab None of these Alt+Tab ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To properly exit windows Select shut down from Start menu Click the stop button on the desktop Clike the exit button on the desktop None of the listed here Select shut down from Start menu Click the stop button on the desktop Clike the exit button on the desktop None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Semaphores synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used to do I/O None of these are used for memory management synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used to do I/O None of these are used for memory management ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following systems software does the job of merging the records from two files into one? Networking software Utility program Security software Documentation system None of these Networking software Utility program Security software Documentation system None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) How can you optimize performance of your computer? Delete unused files Scan for virus All of above Defrag disk Delete unused files Scan for virus All of above Defrag disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Where will store data first time when you copy CD Hard disk Clipboard Clipbook CD Hard disk Clipboard Clipbook ANSWER DOWNLOAD EXAMIANS APP
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