Question #3 [15 marks: Write ARM assembly language instructions to change the value of ro as follows: complement the most significant byte of ro, if the least significant byte of ri is greater than or equal to 20. set the least significant byte of ro to zero's (i.e. 0x00), if r1 is divisible by 4. (Hint: A binary number is divisible by four if its two least significant bits are zero's.) Question #3 [15 marks: Write ARM assembly language instructions to change the value of ro as follows: complement the most significant byte of ro, if the least significant byte of ri is greater than or equal to 20. set the least significant byte of ro to zero's (i.e. 0x00), if r1 is divisible by 4. (Hint: A binary number is divisible by four if its two least significant bits are zero's.)