Signals and Systems - Engineering

Q1:

The signal defined by the equations f(t) = 0 for t < 0, f(t) = E for 0 ≤ t ≤ a and f(t) = 0 for t > a is

A a step function

B a pulse function

C a shifted step function originating at t = a

D none of the above

ANS:B - a pulse function

It is a pulse lasting for t = a.