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Digital Electronics

Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NAND
 AND, OR, and NOT
 NOR

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

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

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Digital Electronics
A three-state buffer has the following output states

 Set, Reset, Halt
 High, Low, Float
 1, 0, float
 Both A and B

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 1
 any number
 2

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Digital Electronics
An 8-square is called

 a cube
 a pair
 a quad
 an octet

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Digital Electronics
An X-OR gate gives a high output

 if it has even number of 0s
 if there are odd number of 1s
 if the decimal value of digital word is even
 for odd decimal value.

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