operating systems

1 point When a C program executes a call to the scanf() library function, the proper state for the process is: Ready Waiting Running Terminated 1 point: To print "Hello, world", your program makes: one or many system calls depending on the operating system many system calls one system call no system calls 1 point. Which is a challenge for remote procedure calls (from one process to another) as compared to making a regular function call? Passing information into the remote procedure Managing the value of the instruction pointer (IP) register (also called the program counter, or PC) Returning information from the remote procedure Avoiding executing the code twice