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WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 4—What does the following assembly code do?

xor	a,b
xor	b,a
xor	a,b

aý = a ^ b

bý = b ^ aý = b ^ (a ^ b) = b ^ b ^ a = a

aýý = aý ^ bý = (a ^ b) ^ a = a ^ a ^ b = b

4-00