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Digital Electronics

Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 n-bit
 (n + n)-bit
 (n + 2)-bit
 (n + 1)-bit

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Digital Electronics
An X-OR gate gives a high output

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

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 1
 4
 3

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 both are same
 none
 1.
 2.

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

 AND
 OR
 XOR
 NOR

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NAND
 OR
 NOR

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