Which of the following Boolean rules is correct? – McqOptions

MCQOPTIONS

1.	Which of the following Boolean rules is correct?
A.	A + 0 = 0
B.	A + 1 = 1
C.	\(\overline {A + A} = \overline {A.A}\)
D.	\(A + A.B = \overline {A+B}\)
Answer» C. \(\overline {A + A} = \overline {A.A}\)

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