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Analog
Discrete
Continuous
Digital
Analog
Discrete
Digital
continuous
The trajectory of the Sun
Data on a CD
Universe time scale
movement of water through a pipe
Scaling
Additivity
Both scaling and additivity
Homogeneity
Increases with a delay in input
Decreases with a delay in input
Remains same with a delay in input
Vanishes with a delay in input
Yes
Sometimes
Never
They have no relation with time variance
Non causal
Causal
Neither causal nor non causal
Memoryless
The output at the present depends on the input at an earlier time
the output at the present does not depend on the factor of time at all
The output at the present depends on the input at the current time
The output at the present depends on the input at a time instant in the future
A system is stable, if a bounded input gives a bounded output, for some values of the input
A system is unstable, if a bounded input gives a bounded output, for all values of the input
A system is stable, if a bounded input gives a bounded output, for all values of the input
A system is unstable, if a bounded input gives a bounded output, for some values of the input
Memory
Time invariance
Stability
Linearity
X(t) = x(t +T0)
X(n) = x(n+ N)
X(t) = e-αt
None of the above
Replication
Sampling
Scaling
Product
A > 1
0 < a < 1
A < -1
-1 < a < 0
Sinusoid signals multiplied by growing exponentials
Sinusoid signals divided by growing exponentials
Sinusoid signals multiplied by decaying exponentials
Sinusoid signals divided by decaying exponentials
Only if bounded input generates unbounded output
only if bounded input generates bounded output
Only if unbounded input generates unbounded output
Only if unbounded input generates bounded output
1 & 3
2 & 4
1,3& 4
1,2,3,& 4
Static system
Dynamic system
Invertible system
None of the above
Adder
Signal Multiplier
Unit delay
Unit advance
Initial condition of the system
Negative initial condition of the system
Negative feedback condition of the system
Response of the system to its initial input
Zero state response
Zero input response
Total response
Natural response
Folding Operation
Shifting Operation
Multiplication Operation
Integration Operation
Zero input produces zero output
Zero input produces non-zero output
Zero input produces an output equal to unity
None of the above
String
Array
Length
Element
Infinite average power
Finite average power
Zero average power
None of the above
Periodic function
Non -periodic function
Transfer function
None of the above
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