Q1) Choose the Correct Answer 1) What is an operating system? b) interface between the hardware and application programs b) collection of programs that manages hardware resources d) all of the Atove provider to the application programs 2) The operating system kernel is a: a) System program b) Application program c) All of the above. d) None of the above. Q2) Draw and explain the process state diagram Q3) What is kernel mode of a processor? How is it different from user mode