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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0011 is added
 0110 is added
 0110 is subtracted
 0011 is subtracted

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

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

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

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

 NAND
 AND
 X-NOR
 NOR

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

 01001111
 10110000
 01010000
 10001110

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 redundent prime implicants
 selective prime implicants
 prime implicants
 essential prime implicants

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MORE MCQ ON Digital Electronics

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