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Signals & SystemsSystem Properties

Which system is memoryless?

  • Ay(t)=x(t-2)
  • By(t)=x(t)+x(t-1)
  • Cy(t)=3x(t)
  • Dy(t)=integral from -infinity to t of x(tau)d tau
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Correct Answer: C. y(t)=3x(t)
Explanation: A memoryless system output at time t depends only on the input at that same time.
Reference: Standard signals and systems: system properties
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