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Digital Electronics

Digital Electronics
2-out-of-5 code is

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

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Digital Electronics
How many input and output required for demultiplexer ?

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

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be 0 V and 5 V
 may be positive or negative
 must necessarily be negative
 must necessarily be positive

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Digital Electronics
The NAND-NAND realization is equivalent to

 NOT-OR realization
 OR-AND realization
 AND-NOT realization
 AND-OR realization

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 8
 7
 6
 9

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

AND gate
NOT gate
None of these
OR gate

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