Question: 1 . Let F : { 0 , 1 } n times { 0 , 1 } n - > { 0 , 1

1. Let F : {0,1}n \times {0,1}n ->{0,1}n be a pseudorandom function. For inputs s of length n, define G(s)= F0n (s)||F1n (s). Is G necessarily a pseudorandom generator?

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