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Which represents NOR gate :- 

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Important Questions on Electronic Devices

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The given arrangement of logic gates is equivalent to

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The truth table given in fig. represents:
A B Y
0 0 0
0 1 1
1 0 1
1 1 1
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The truth table for the circuit given in the figure is:
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
Which of the following gives a reversible operation?
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The combination of gates shown below yields

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

Boolean relation at the output stage- Y for the following circuit is:
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The correct Boolean operation represented by the circuit diagram drawn is, 
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The gates that give output Y=0 for the two inputs A=1 and B=1 are
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

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Given, A and B are input terminals

Logic 1 is>5 V

Logic 0 is<1 V

Which logic gate operation, the following circuit does?

Note: This question was awarded a bonus. C option changed. 

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
If a, b, c, d are inputs to a gate and x is its output, then, as per the following time graph, the gate is:
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
In the given circuit, value of Y is:
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
The given electrical network is equivalent to
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

In the following circuit, what are P and Q?

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

The logic gate equivalent to the given logic circuit is:
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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

Which logic gate is represented by the following combination of logic gates?

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

Identify the operation performed by the circuit given below :

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

In the following digital circuit, what will be the output at Z, when the input A,B are  1,0, 0,0, 1,1, 0,1

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
To get an output of 1 from the circuit shown in the figure the input must be:

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR

Identify the gate and match A,B,Y in the bracket to check.

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Physics>Modern Physics>Electronic Devices>Logic Gates - OR, AND, NOT, NAND and NOR
In the given circuit P and Q form the inputs. The output Y is

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