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An LTI system is memoryless only if ____________

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An LTI system is memoryless only if ____________

(a) It does not store the previous value of the input

(b) It does not depend on any previous value of the input

(c) It does not depend on stored values of the system

(d) It does not depend on the present value of the input

The question was asked in an internship interview.

My doubt is from Properties of LTI Systems topic in section Time-Domain Analysis of CT Systems of Signals and Systems

1 Answer

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Right answer is (b) It does not depend on any previous value of the input

The explanation: A LTI system is said to be memoryless only if it does not depend on any previous value of the input. That is we can say that if its output at any time depends only on the value of the input at the same time.

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