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Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsSemiconductor Electronic: Material, Devices And Simple Circuits3 Marks
Question
The following table gives the output of a two input logic gate.
  1. Identify the logic gate and draw its logic symbol.
  2. If the output of this gate is fed as input to a NOT gate, name the new logic gate so formed.
A
B
Y
0
0
1
1
0
1
0
1
1
1
1
0
✓

Answer


The truth table given represents a NAND gate.

Clearly resulting gate will be an AND gate.

Truth table of new gate formed,
Input Output
A B Y $\bar{\text{Y}}=\text{Z}$
0 0 1 0
0 1 1 0
1 0 1 0
1 1 0 0

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