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The capacity of a Binary Symmetric Channel (BSC) with cross-over probability 0.5 is _______.

1. 0
2. 0.5
3. 1
4. 2

Correct answer: 0

Solution

In a Binary Symmetric Channel with a cross-over probability of 0.5, the channel is essentially unreliable, as it flips the input bit with equal probability. This results in no information being transmitted effectively, leading to a capacity of 0.

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