The region of convergence (ROC) of the z-transform of discrete time Di – McqOptions

MCQOPTIONS

1.	The region of convergence (ROC) of the z-transform of discrete time Dicae delta function δ(n) is
A.	the entire z plane
B.	only \|z\| < 1
C.	only \|z\| = 1
D.	only \|z\| > 1
Answer» B. only \|z\| < 1

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