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Digital Electronics

Digital Electronics
In Boolean algebra A.A is equal to

 A
 2A
 A²
 1

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Digital Electronics
Switching circuits are

 none of these
 hybrid circuits
 analog circuits
 digital circuits

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Digital Electronics
(11011) 2 in BCD 8421 code is

 00011011
 01101100
 00100111
 11011001

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NAND
 NOR
 X-NOR
 X-OR

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin1
 Pin14
 Pin13
 Pin2

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Digital Electronics
The 2s complement of 17 is

  101111.
 110001.
 101110.
 111110.

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MORE MCQ ON Digital Electronics

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