1
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
A linear discrete - time system has the characteristic equation, $${z^3} - 0.81\,\,z = 0.$$ The system
A
is stable.
B
is marginally stable.
C
is unstable.
D
stability cannot be assessed from the given information.
2
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Consider the system shown in the Fig.1 below. The transfer function $$Y\left( z \right)/X\left( z \right)$$ of the system is GATE ECE 1988 Signals and Systems - Discrete Time Linear Time Invariant Systems Question 19 English
A
$${{1 + a\,{z^{ - 1}}} \over {1 + b\,{z^{ - 1}}}}$$
B
$${{1 + b\,{z^{ - 1}}} \over {1 + a\,{z^{ - 1}}}}$$
C
$${{1 + a\,{z^{ - 1}}} \over {1 - b\,{z^{ - 1}}}}$$
D
$${{1 - b\,{z^{ - 1}}} \over {1 + a\,{z^{ - 1}}}}$$
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12