Operating System (OS) Semaphores 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 synchronize critical resources to prevent contention synchronize critical resources to prevent deadlock None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The shortcut key to open a task manager is: Alt + Tab Alt + Ctrl + Delete Alt + F1 F1 Alt + Tab Alt + Ctrl + Delete Alt + F1 F1 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A Microsoft Windows is a(n) Word processing Graphic program Operating system Database program Word processing Graphic program Operating system Database program ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not the user file extension? .xls .doc .sys .ppt .xls .doc .sys .ppt ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A program is typically characterized by interactive processing and time of the CPU is the device where information is stored None of these is a sequence of instructions is a device that performs a sequence of operations specified by instructions in memory. is typically characterized by interactive processing and time of the CPU is the device where information is stored None of these is a sequence of instructions is a device that performs a sequence of operations specified by instructions in memory. ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Recently used application file list appears in the Windows operating system Setting menu Run dialog box Documents menu Programs menu Setting menu Run dialog box Documents menu Programs menu ANSWER DOWNLOAD EXAMIANS APP
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