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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 NAND gate
 NOR gate
 X-OR gate
 OR gate

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Digital Electronics
Switching circuits are

 analog circuits
 none of these
 digital circuits
 hybrid circuits

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Combinational
 Both A and B
 Conversion
 Sequential

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Digital Electronics
2-out-of-5 code is

 alphanumeric code
 weighted code
 self-complementing code
 non-weighted code

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Digital Electronics
The set of which logic gates is designated as universal gate?

 XNOR, NOR, NAND.
 XNOR, NOR, NAND.
  NOR , NAND.
 NOT, OR , AND.

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 4
 1 and 4
 0 and 3

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