Please solve this problem as soon as possible thank you a lot

Q6 a) What is the purpose following sequence of instructions: Idr rl,=0x00000000 ldr r0,=0x00000005 str r0,[rl],#4 Idr r0,=0x00000006 str r0,[rl],#4 b) Which memory locations will be effected at the end of above sequence c) In continuation above code, what value will be in RO and R2 at the end of sequence given below: LDR R1, =0x00000000 LDR RO,[R1],#4 LDR R2,[RI] ADD R2,RO,R2 b) Write ARM assembly code for following operation: f=(g+h) - (i+j)