Q5. Parallel Execution [10point] Two threads (A and B) are concurrently running on a dual-core processor. Assume that th

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Q5. Parallel Execution [10point]
Two threads (A and B) are concurrently running on a dual-core
processor. Assume that the value at address 0x1000 is initialized
to 71.
Thread A
X1: st 0x1, (0x1000)
X2: ld R1, (0x1000)
X3: st 0x2, (0x1000)
X4: ld R2, (0x1000)
Thread B
Y1: st 0x3, (0x1000)
Y2: ld R3, (0x1000)
Y3: st 0x4, (0x1000)
Y4: ld R4, (0x1000)
List all possible values that can be stored in R3 after both
threads have finished executing. Also, Write one possible
instruction execution order for each possibility you presented.