Operating System (OS) Which one of the following is not a layer of operating system? Application program Critical selection Kernel Shell Application program Critical selection Kernel Shell ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following resources must be protected by the operating system? Memory I/O All of these CPU Memory I/O All of these CPU ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) User action such as keystroke or mouse click are referred to as Processes Event Tasks Interrupt Processes Event Tasks Interrupt ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Supervisor state is entered by programs when they enter the processor never used None of these only allowed to the operating system required to perform any I/O entered by programs when they enter the processor never used None of these only allowed to the operating system required to perform any I/O ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In MS-DOS, relocatable object files and load modules have extensions .COM and .OBJ, respectively None of these .EXE and .OBJ, respectively .OBJ and .COM or .EXE, respectively .DAS and .EXE, respectively .COM and .OBJ, respectively None of these .EXE and .OBJ, respectively .OBJ and .COM or .EXE, respectively .DAS and .EXE, respectively ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following capabilities is required for a system program to execute more than one program at a time? multitasking virtual memory None of these word processing compiling multitasking virtual memory None of these word processing compiling ANSWER DOWNLOAD EXAMIANS APP
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