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Digital Electronics

Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 10111100
 00111100
 11000100

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Digital Electronics
A graphical representation of a products in a truth table is called as

 K-Map
 T-Map
 Graphing
 Mapping

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
NAND gate
EXCLUSIVE OR gate
OR gate

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

NOT gate
OR gate
None of these
AND gate

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 8
 4
 6
 5

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 AND
 X-NOR
 NAND
 NOR

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