Choose the correct alternatives (More than one may be correct). A three-input…
GATE · 1990 · CS · Question 3 subpartsModified — slightly modified from the official paper; see the solution
Choose the correct alternatives (More than one may be correct).
A three-input NAND gate with inputs A, B, C and a two-input NAND gate with inputs D, E have open-collector outputs tied to one pulled-up output node Y. The logic function Y is:
- A.
$Y=ABC + DE$
- B.
$Y=\overline{ABC + DE}$
- C.
$Y=ABC.DE$
- D.
$Y=\overline{ABC.DE}$
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