1 (30 points, 15 pts each) For the following program, what is the content of R4 (in hexadecimal) at the end of execution: a) if this is executed on a byte-addressable, big- endian machine with word size of 4 bytes (32 bits)? b) if it is executed on a byte- addressable, little-endian machine with word size of 4 bytes (32 bits)? The instruction format is "Move destination, source". Move R3, WSFFOO00 Move (R3)+, #$1234 Move (R3)+ASA BCDE Load R4,-7(R3)