Suppose RO = OXABCDEF01 and R1 = 0x12345678, find the result in R3 of the following operations. State the contents of the register in hexadecimal. a) LSL R3, RO, #4 b) LSR R3, R1, #8 c) ROR R3, RO, #16 d) ADD R3, RO, R1, LSR #24