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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 4
 2
 3
 1

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Digital Electronics
Which of the following is equivalant to an ODD function

 NOR
 XNOR
 AND-NOR
 XOR

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

19
27
21
12

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Digital Electronics
How many input and output required for demultiplexer ?

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

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 byte
 nibble
 word
 bit

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Three inputs and one output
 Two inputs and three outputs
 Three inputs and two outputs
 Two inputs and two outputs

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