# The Z-transform function of a stable system is given as .The impulse response h[n] is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A system is described by the difference equation Y[n] =x[n]-x [n-2] + x [n-4]-x [n-6] The impulse response of system is

1.  δ[n]-2δ[n+2]+4δ[n+4]-6δ[n+6]

2.  δ[n]+2δ[n-2]-4δ[n-4]+6δ[n-6]

3.   δ[n]-δ[n-2]+δ[n-4]-δ[n-6]

4.  δ[n]-δ[n+2] +δ[n+4]-δ[n+6].

4

δ[n]-δ[n-2]+δ[n-4]-δ[n-6]

Explanation :
No Explanation available for this question

# The transfer function of a system is given by The system is.

1.  Causal and stable

2.  Causal, stable and minimum phase

3.  Minimum phase

4.  None of these.

4

None of these.

Explanation :
No Explanation available for this question

# The transfer function of a system is given as Consider the two statements Statement (A): system is causal and stable Statement (B): inverse system is causal and stable. The correct option is

1.  (A) is true

2.  (B) is true

3.  Both are true

4.  Both are false.

4

Both are true

Explanation :
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# The Z-transform of a anti causal system is The value of x [0] is

1.

2.  0

3.  4

4.  None of these.

4

4

Explanation :
No Explanation available for this question

# Given the Z-transforms The final value of X (z) is

1.  1

2.  2

3.  ∞

4.  0.

4

1

Explanation :
No Explanation available for this question

# Which one of the following system is non-linear [y (t) =output; x (t) =input]

1.  y (t) =2x(t-1)-3x (t-2)+x (t-3)

2.  y (t) =5x (t)

3.  y (t) =2x (t-1)-3x (t-2)-x (t-3)

4.  y (t) =2x (t)+3.6.

4

y (t) =2x (t)+3.6.

Explanation :
No Explanation available for this question

# Which of the following transfer function of second order linear time-invariant systems, the under damped system is responsible by

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If a(n) is the response of a linear, time-invariant, discrete-time system to a unit step input, then the response of the same system to a unit impulse input is

1.

2.  n a (n)

3.  a(n)-a(n-1)

4.  a (n+1)-2a (n)+a(n-1).

4

Explanation :
No Explanation available for this question

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4