1
AIEEE 2012
+4
-1
Truth table for system of four $$NAND$$ gates as shown in figure is:
A
B
C
D
2
AIEEE 2010
+4
-1
The combination of gates shown below yields
A
OR gate
B
NOT gate
C
XOR gate
D
NAND gate
3
AIEEE 2009
+4
-1
The logic circuit shown below has the input waveforms $$'A'$$ and $$'B'$$ as shown. Pick out the correct output waveform.

Output is

A
B
C
D
4
AIEEE 2009
+4
-1
A $$p$$-$$n$$ junction $$(D)$$ shown in the figure can act as a rectifier. An alternating current source $$(V)$$ is connected in the circuit.

The current $$(I)$$ in the resistor $$(R)$$ can be shown by :

A
B
C
D
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