Which of the following voltage is used represent binary '1' in digital circuits .

Which of the following voltage is used represent binary '1' in digital circuits . 

 1.0 V 2. 15 V 3. +5 V 4. 25 V 
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Answer :

Which of the following voltage is used represent binary '1' in digital circuits . 

 1.0 V 2. 15 V 3. +5 V 4. 25 V 

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