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Which distortion occurs if InterSymbol Interference increases during digital signal processing?

A)Increased Bit Error Rate
B)Reduced Spectral Efficiency
C)Lower Signal Group Delay
D)Decreased Channel Capacity

💡 Explanation

Increased InterSymbol Interference (ISI) degrades signal integrity because overlap between symbols hinders correct detection. Therefore, the bit error rate increases as the receiver misinterprets symbols, rather than maintaining faithful bits; this affects decoder decisions under fixed Signal/Noise.

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