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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 OR
 NAND
 X-OR

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Digital Electronics
Which number system has a base of 16

 None
 Octal
 Decimal
 Hexadecimal

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

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

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Digital Electronics
What is the 2’s complement of 10110000?

 10110000
 01001111
 10001110
 01010000

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Only (II)
 Both (II)&(III)
 Both (I) & (II)
 Both (I)&(IV)

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 01, 11, 10)
(00, 10, 11, 01)
(00, 01, 10, 11)
(00, 10, 01, 11)

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