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ECE · Q208

Signal Processing

Engineering and GATE · ECE · question 208

Q208

The continuous time unit-step function is defined by

A.
u\left( t \right) = \left\{ {\begin{array}{*{20}{c}} {1,}&{t > 0} \\ {0,}&{t < 0} \end{array}} \right.
Answer
B.
u\left( t \right) = \left\{ {\begin{array}{*{20}{c}} {1,}&{t \geqslant 0} \\ {0,}&{t < 0} \end{array}} \right.
C.
u\left( t \right) = \left\{ {\begin{array}{*{20}{c}} {1,}&{t > 0} \\ {0,}&{t \leqslant 0} \end{array}} \right.
D.
u\left( t \right) = \begin{array}{*{20}{c}} {1,}&{t \ne 0} \end{array}

Answer: Option A

Solution

Answer: Option A
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