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Digital Electronics

Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 binary code
 8421 code
 cyclic code
 2421 code

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Digital Electronics
Temperature variation is a/an

 Analog quantity
 None
 Digital quantity
 Either Digital or Analog quantity

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Digital Electronics
To get an excess-3 code from BCD code

 0110 is added
 0011 is added
 0011 is subtracted
 0110 is subtracted

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Digital Electronics
A device which converts BCD into octal is called

 code converter
 decoder
 encoder
 demultiplexer

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone
Many digital computers use NAND gates.

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 OR, NOR
 XOR, NOR
 NOR, XNOR
 XOR, OR

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