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Digital Electronics

Digital Electronics
A + Ā is equal to

 A
 1
 Ā
 0

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Digital Electronics
1s Complement of 11001010 is

 11001001
 00110101
 11001011
 00110111

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an X-OR
 a NAND or an X-NOR
 a NAND or an AND
 a NOR or an X-NOR

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH and LOW
 the input is LOW
None of these
 the input is HIGH

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Digital Electronics
One bit full adder has ________ outputs.

 any number
 3
 4
 2

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When any input is LOW
 When all inputs are HIGH
 When any input is HIGH
 When all input is LOW

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