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Logic Gates Free Doubts and Solutions

CBSE - XII Science - Physics - Semiconductor Electronics

Explain the following in Boolean Algebra.
1)Three Basic Logic Gates
2)Boolean Theorems
3)Integrated Circuits
4)IC Packings,Symbols 

Asked by alonewalker97 29th December 2014, 8:12 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

What will be the values of input A and B for the Boolean expression Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.

Asked by Topperlearning User 10th July 2014, 3:55 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

Show the output waveforms (Y) for the following inputs A and B of (i) OR gate             (ii) NAND gate

Asked by Topperlearning User 10th July 2014, 3:46 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

Draw and explain the output waveform across the load resistor R, if the input waveform is as shown in the given figure.

Asked by Topperlearning User 2nd July 2014, 1:48 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

  Draw the output waveform at X, using the given inputs A and B for the logic circuit shown below. Also, give the truth table of the logic operation performed by this circuit.

Asked by Topperlearning User 2nd July 2014, 1:45 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

In fig. the circuit symbol of a logic gate and two input waveforms  A and B are shown :   (i) name the logic gate (ii) write its truth table (iii) Give the output waveform.

Asked by Topperlearning User 2nd July 2014, 12:50 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

Name the gate obtained from the combination of gates shown in the figure. Draw its logic symbol. Write the truth table of the combination.

Asked by Topperlearning User 2nd July 2014, 12:21 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

What will be the values of input A and B for the Boolean expression ?

Asked by Topperlearning User 2nd July 2014, 11:13 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Write the truth table for the following combination of gates?      

Asked by Topperlearning User 2nd July 2014, 10:58 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Write the truth table for the combination of gates shown below

Asked by Topperlearning User 2nd July 2014, 10:39 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Draw the logic symbol of a NAND gate and write the truth table.

Asked by Topperlearning User 2nd July 2014, 10:34 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Name the logic gate shown in the figure below and write its truth table :

Asked by Topperlearning User 2nd July 2014, 10:19 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Which gate is called as an inverter?

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CBSE - XII Science - Physics - Semiconductor Electronics

What is a truth table?

Asked by Topperlearning User 2nd July 2014, 10:04 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

What are the limitations of digital circuits?

Asked by Topperlearning User 2nd July 2014, 10:01 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

Give two advantages of digital circuits over the analog circuits.

Asked by Topperlearning User 2nd July 2014, 9:56 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

What do you mean by encoding and decoding?

Asked by Topperlearning User 2nd July 2014, 9:39 AM
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CBSE - XII Science - Physics - Semiconductor Electronics

The given inputs A, B are fed to a 2-input NAND gate. Draw the output wave form of the gate.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Semiconductor Electronics

The output of an OR gate is connected to both the inputs of a NAND gate. Draw the logic circuit of this combination of gates and write its truth table.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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