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Gopal Sharma • 38.32K Points
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Q. In soft decision approach 0 represents

(A) certainly one
(B) certainly zero
(C) very likely zero
(D) could be either zero or one
Correct : Option (D)

Explanation: 
 the decoder front end produces an integer for each bit in the data stream. this integer is the measure of how likely it is that the bit 0 or 1 and is called as soft bit. it ranges from -127 to 127. here 0 represents ‘could be either zero or one’.

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