1. What is the value of d[0], such that d[n] is the unit impulse function? a) 0 b) 0.5 c) 1.5 d) 1 AnswerAnswer: d [Reason:] The unit impulse function has value 1 at n = 0 and zero everywhere else. 2. What is the value of u[1], where u[n] is the unit step function?…