A Boolean operator s is defined asfollows :1 s 1 = 1, 1 s 0 = 0, 0 s 1 – McqOptions

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1.	A Boolean operator s is defined asfollows :1 s 1 = 1, 1 s 0 = 0, 0 s 1 = 0 and 0 s 0 = 1What will be the truth value of the expression (x s y) s z = x s (y s z)?
A.	Always false
B.	Always true
C.	Sometimes true
D.	True when x, y, z are all true
Answer» C. Sometimes true

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