1A system whose output depends only on the present input is:AMemoryless (static)BCausal onlyCUnstableDDynamicView AnswerDiscussWorkspaceReportSaveEasy
2The region of convergence of a Z-transform for a causal sequence is:AInside a circleBOnly the unit circleCThe whole plane alwaysDOutside a circle in the z-planeView AnswerDiscussWorkspaceReportSaveEasy
3The energy of a power signal is:AFinite and non-zeroBInfiniteCNegativeDZeroView AnswerDiscussWorkspaceReportSaveEasy
4A signal that repeats after a fixed interval is:AAperiodicBTransientCPeriodicDRandomView AnswerDiscussWorkspaceReportSaveEasy
5An LTI system is BIBO stable if its impulse response is:AAbsolutely integrable (summable)BPeriodicCInfiniteDZeroView AnswerDiscussWorkspaceReportSaveEasy