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Which of the following Boolean equation is/are incorrect? Write the correct forms of the incorrect ones :(a) A + A’ =1(b) A + 0 = A(c) A . 1 = A(d) AA’=1(e) A+ AB = A (f) A(A+B)’ = A (g) (A+B)’ = A’ + B (h) (AB)’=A’B’(i) A + 1 =1(j) A + A =A (k) A + A’B = A +B(l) X +YZ = (X + Y)(X + A) |
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Answer» (a) Correct (b) Correct (c) Correct (d) Incorrect. Correct form is A . A’ = 0 (e) Correct (f) Correct (g) Incorrect. Correct form is (A + B)’ = A’B’ (h) Incorrect. Correct form is (AB), = A’ + B (i) Correct (j) Correct (k) Correct (l) Incorrect. Correct form is X + YZ = (X + Y)(X + Z) |
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