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Digital Electronics

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

 01001111
 10110000
 01010000
 10001110

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

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Digital Electronics
The decimal number 0.246 in binary is

 0.010111
 0.011011
 0.001101
 0.001111

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 OR has got a bubble at its output terminal
 NOR has got a bubble at its output terminal
 OR is more squared than NOR

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 0 and 3
 1 and 4
 1 and 3

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