Answer / munish

To represent any discrete time signal which is a function of
time is f(n),where "n" is used to represent time.f(t) is
used in continous time signal.

Answer / narahari.sandeepthi

x[n] is the correct representation of discrete signal

Answer / guest

{F(T)}

Answer / your friend

if x(t) is continuous then x[nT] is sampled signal
or sum of x(t)delta(t-nT).

Answer / lucky singla

F(t)

Answer / pranshu yadav

d(t)

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