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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 57316379
 47215369
 48225469
 58326479

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Digital Electronics
The universal gate is ___________

NAND gate
None of these
OR gate
AND gate

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NOR
 none of these
 AND
 NAND

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 1
 all inputs are connected together
 inputs are left open
 one input is set to 0

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Digital Electronics
In Boolean algebra AND is represented by

 /
 -
 ×
 +

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 12
 10
 9
 6

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