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Symbol of XNOR gate-

Important Questions on Electronic Devices

MEDIUM
In the given circuit, value of Y is:
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The logic gate equivalent to the given logic circuit is:
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Which of the following gives a reversible operation?
MEDIUM
The given arrangement of logic gates is equivalent to

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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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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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MEDIUM

Boolean relation at the output stage- Y for the following circuit is:
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MEDIUM

Which of the following gates will have an output of 1?

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To get an output of 1 from the circuit shown in the figure the input must be:

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The correct Boolean operation represented by the circuit diagram drawn is, 
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Identify the operation performed by the circuit given below :

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The given electrical network is equivalent to
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Identify the correct output signal Y in the given combination of gates (as shown n) for the given inputs A and B

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In the following circuit, what are P and Q?

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MEDIUM
For the logic circuit shown, the truth table is:
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In the following circuit what are P and Q :

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Which of the following statement is correct?
MEDIUM
The truth table for the circuit given in the figure is:
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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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The combination of gates shown below yields

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