Please help its a computer science question

Question 7 1 Registers ro - r3 do not need to be saved between function calls because These are not important O These are used to pass arguments to the called function and left for its use for temporary values and return values CPU automatically pushes these to the stack memory on its own Statement is wrong, these registers do need to be saved between functions calls on the stack by generated assembly code A Moving to another question will save this response Question 7