Question: When R 0 is 0 x 2 0 0 0 0 0 0 0 , examine each of the following instructions if its addressing mode

When R0 is 0x20000000, examine each of the following instructions if its addressing mode is correct or not. State the reasons.
a) LDRB R1,[R0, #1]
b) LDRH R1,[R0, #3]
c) LDRD R1, R2,[R0, #4]

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