WorksheetsDigital Signal Processing quiz 1
Total questions: 10
Worksheet time: 5mins
If x(n)=an and a=3 then it is
Decaying Exponential
Growing Exponential
Two sided growing
two sided decaying
Identity the following system is y(n)=x(-n)
Static or Anti causal
Dynamic or Causal
Dynamic or Non-causal
Static or Causa
In Linear Convolution if y(n)=x(n)*h(n) where x(n) has M values and h(n) has N values then y(n) has
N+M-1
N+M
N/M
NM
The Number of samples present in the periodic signal cos(3πn) is
N=5 samples
N=2 samples
N=3 samples
N= 3/2 samples
Perform Signal multiplication for x(n)={1,2,3,4} and y(n)={3,6,9,12} is
{3,12,27,48}
{3,12,15,16}
{4,8,12,16}
{4,5,12,13}
The power value of the unit step discrete signal is
infinite
zero
one
0 to 1
If the impulse response of LTI system is absolutely summable then it is called
Causal
non- causal
stable
non stable
A discrete-time system is called linear if only if it satisfies
recursive principle
superposition principle
non recursive principle
sampling theorem
In time scaling property of a signal when μ >1 then the output signal is called as
expanded signal
compressed signal
growing Signal
decaying signal
The sampling frequency is given by
F≤ 2fm
F≥ 2fm
F< fm
F=fm
