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Digital Electronics

Digital Electronics
Switching circuits are

 hybrid circuits
 none of these
 digital circuits
 analog circuits

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 12, …
 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 16……..

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = Ā
None of these
 G = A
 A= G

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n – m literals
 m – 1 literals less than the total number of variables
 n + m literals

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n
2n-1
2n

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 11100000
 10101111
 00011111
 011100001

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