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Digital Electronics

Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 6
 4
 5

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 NAND
 X-NOR
 AND
 NOR

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = Ā
 G = A
 A= G
None of these

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Digital Electronics
A device which converts decimal number into BCD form is called

 code converter
 decoder
 multiplexer
 encoder

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

12
21
19
27

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and many output
 number of selection inputs and one output
 one input and one output
None of these

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