Operating System (OS) Semaphores 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 synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used to do I/O None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What program runs first after computer is booted and loading GUI ? File manager Desktop manager Windows Explorer Authentication File manager Desktop manager Windows Explorer Authentication ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Press ____ key while booting to display Advanced Boot Menu F8 F6 Del F5 F8 F6 Del F5 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the function of an operating system ? Takes care of scheduling jobs for execution Manages compute's resources very efficiently Manages the flow of data and instructions All of the listed here Takes care of scheduling jobs for execution Manages compute's resources very efficiently Manages the flow of data and instructions All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What scheduling algorithm allows processes that are logical runnable to be temporarily suspended? None of these FCFS FIFO non-preemptive scheduling preemptive scheduling None of these FCFS FIFO non-preemptive scheduling preemptive scheduling ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its ...... button Folder None of above Icon Taskbar button Folder None of above Icon Taskbar button ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS