UPPCL AE EE: Signals & Systems Quiz 2

Find the value of y(t) for the following expression,

Identify the linear system(s) from the following list:

1) y(t) = x(t²)

2) y(t) = x²(t)

3) y(t) = Ax(t) + B

4) y(t) = e^x(t)

A signal f(t) is described as:

This represents the unit

The value of unit impulse function  for  is:

In a LTI system impulse response is . Find the input if the output y(n) = δ(n – 2)

The steady state response for the signal cos(2t) of the system with transfer function  will be

A continuous time system is described as x(t) = 10[u(t) – u(t – 2)], the area of the function –2x(–5t + 3) is

Which of the following is a linear system?

Find y(n), if x(n) = u(n) – u(n – 1) & h(n) = δ(n + 2)

Which of the following represents a causal, linear and time-invariant system?