Operating System (OS) The shortcut key to open a task manager is: Alt + Tab Alt + F1 Alt + Ctrl + Delete F1 Alt + Tab Alt + F1 Alt + Ctrl + Delete F1 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one of the following is not a layer of operating system? Application program Kernel Critical selection Shell Application program Kernel Critical selection Shell ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) It is used to explorer the contents of computer, drives as well as manage files My Computer My Document Recent Places My Network Place My Computer My Document Recent Places My Network Place ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not essential to shut down your computer? Save all opened files Switch off monitor Cut off the power supply Close all running applications Save all opened files Switch off monitor Cut off the power supply Close all running applications ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In which of the storage placement strategies a program is placed in the smallest available hole in the main memory? buddy best fit worst fit first fit None of these buddy best fit worst fit first fit None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the initial value of the semaphore to allow only one of the many processes to enter their critical section? 16 None of these 8 1 16 None of these 8 1 ANSWER DOWNLOAD EXAMIANS APP
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