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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 47215369
 58326479
 48225469
 57316379

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 NOR
 AND
 XOR
 OR

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 OR
 X-OR
 AND

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Digital Electronics
Logic circuits are

 analog circuits
 none of these
 hybrid circuits
 digital circuits

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Digital Electronics
Which of the following is a digital device

 Light switch
 Regulator of a fan
 Microphone
 Resistance of a material

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Digital Electronics
Combinations that are not listed for the input variables are

 Borrow
 Carry
 Overflow
 Don't Care

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