Question: The machine instruction 0 x 6 8 1 C instructs the processor to load 3 2 - bit data at memory location 0 x 2

The machine instruction 0x681C instructs the processor to load 32-bit data at
memory location 0x20000004 into register r4. Register r 3 holds the memory
address of variable b. After the execution, r4 is 0x00000002.

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