Electronics Engineering · Data Communication
In RS-232 serial communication, which voltage range represents a logic '1' (also known as 'mark')?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1+3 V to +15 V
- 20 V
- 30 V to +5 V
- 4-3 V to -15 V✓
Correct answer
-3 V to -15 V
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