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Digital Electronics

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

 G = Ā
 G = A
None of these
 A= G

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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 three
 one
 four
 two

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

2n
2n-1
2n
22n

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Digital Electronics
A demultiplexer is a

 N-to-1 device
 1-to-N device
 1-to-1 device
 N-to-N device

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 hexadecimal
 octal
 ASCII
 natural BCD

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 X-NOR gate
 AND gate
 X-OR gate

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MORE MCQ ON Digital Electronics

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