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A signalling system in which each letter of the alphabet is represented by a different symbol is not used because—
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- It would be too difficult for an operator to memorize
- It is redundant
- Noise would introduce too many errors
- Too many pulses per letter are required
- It would be too difficult for an operator to memorize
Correct Option: C
A signalling system in which each letter of the alphabet is represented by a different symbol is not used because noise would introduce too many errors.
