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Difference equation is used in :

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Difference equation is used in :

(a) Discrete time analysis

(b) Continuous time analysis

(c) Digital analysis

(d) None of the mentioned

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This key question is from Difference Equations in division Digital Control Systems of Control Systems

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The correct choice is (a) Discrete time analysis

Easiest explanation: Difference equation are similar to the differentiation in the continuous systems and they have same function in discrete time systems and is used in discrete time analysis.

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