Need help!!!

1) The designated register that stores the return value after a function call in 32-bit Intel assembler is 2) The Rep instructions are used for manipulating data buffers. The three registers used in the Rep instructions are , and L. (Hint: Answers must be given in the order in which the registers are used). 3) The register that holds a 32-bit pointer to the next instruction to be executed is 4) How is 17D78400h written in little-endian mode