1
GATE CSE 1990
MCQ (Single Correct Answer)
+2
-0.6
Two $$NAND$$ gates having open collector outputs are tied together as shown in fig. The logic function $$Y,$$ implemented by the circuit is. GATE CSE 1990 Digital Logic - Boolean Algebra Question 19 English
A
$$Y = A\overline {BC} + \overline {DE} $$
B
$$Y = ABC + DE$$
C
$$Y = \overline {ABC} .\overline {DE} $$
D
$$Y = ABC\,.\,DE$$
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