Our 1000 digital signal processing questions and answers focuses on all areas of dsp covering 100 topics these topics are chosen from a collection of most authoritative and best reference books on digital signal processing one should spend 1 hour daily for 2 3 months to learn and assimilate dsp comprehensively. Question 5 define periodic and aperiodic signal answer a signal x n is periodic in period n if x n n x n for all n if a signal does not satisfy this equation the signal is called aperiodic signal multimedia interview questions question 6 define symmetric and antisymmetric signal answer . Clarification when the signal is converted from analog to digital it is a sequence of binary numbers which is stored in the ram a user defined code that is usually stored in the rom performs mathematical and other manipulations after which it is converted back into analog signals 3 who is credited with creating the stored program concept. Viva questions and answers on digital signal processing 1 differentiate between a discrete time signal and a digital signal a discrete time signal can be defined as a signal which is continuous in amplitude and discrete in time
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