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What is logic gate? Draw the schematic symbol for AND, OR, NOT, NAND, NOR gate. Explain its working with the help of its truth table.

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

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For the combination of logic gates shown in the figure, the equivalent logic gate is

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The resultant gate and its Boolean expression for the given circuit is

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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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In Boolean expression, which gate be expressed as y=A·B¯?
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Which of the following gates will have an output of 1?

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For the given circuit, the input digital signals are applied at the terminals A,B and C. What would be the output at the terminal y ?

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The correct Boolean operation represented by the circuit diagram drawn is, 
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The logic gate equivalent to the given logic circuit is:
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In the circuit shown, inputs A and B are in states 1 and 0 respectively. What is the only possible stable state of the outputs X and Y ?

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The following figure is the combination of logic gates, The inputs are A are B. The output is C. Which one of the following choices gives the correct matching ?

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Four NOR gates are connected as shown in figure. The truth table for the given figure is :

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Identify the logic operation carried out by the given circuit:

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

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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 given circuit P and Q form the inputs. The output Y is

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