Digital Signal Processing set 7

Que.The bilateral Z-transform ranges from ____________
a. -∞ to ∞
b. 0 to ∞
c. -∞ to 0
d. Does not exist
Que.The R.O.C. of a unit step function is __________
a. |z|>|1|
b. Entire z plane except z=0
c. Entire z plane except z=∞
d. Does not exist
Que.What is the relationship b/n laplace transform and z-transform of a function?
a. Impulse invariant transformation
b. z=e⁻ˢᵀ
c. s=jw
d. s=σ
Que.If σ<0, the point in the z plane lies __ of the circle |z|=1.
a. Interior
b. Exterior
c. On the circumference
d. Nowhere near
Que.What is the T in the relation z=eˢᵀ?
a. Sampling Period
b. Time Period
c. Normal Period
d. Average Period
Que.The Z-transform is only for discrete signals.
a. True
b. False
c. May be True or False
d. Can’t say
Que.The Z-transform doesn’t follow the linearity principle.
a. True
b. False
c. May be True or False
d. Can’t say
Que.The unit delay operator can be thought of in the z-domain as ___________
a. Multiplication by z⁻¹
b. Multiplication by z
c. Multiplication by z⁻²
d. Multiplication by z²
Que.The convolution of a signal in time domain can be viewed as __________
a. Multiplication in z-domain
b. Squaring in z-domain
c. Doubling the signal in z-domain
d. Convolution in z-domain
Que.The impulse response of a discrete time system is the inverse Z-transform of the transfer function of the system in z-domain.
a. True
b. False
c. May be True or False
d. Can’t say