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1
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The open collector outputs of two$$2$$-inputs $$NAND$$ gates are connected to a common pull up resistor. If the input to the gates are $$P,Q$$ and $$R,S$$ respectively, the output is equal to
A
$$\overline {PQ} \,.\,\overline {RS} $$
B
$$\overline {PQ} \,+\,\overline {RS} $$
C
$$PQ+RS$$
D
$$PQRS$$
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Questions Asked from Marks 1
GATE EE 2005 (1) GATE EE 1998 (2)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement