MCQs of Introduction to Signals and Systems: (Signals and Systems - 3150912)

Showing 1 to 8 out of 8 Questions

Which from the following is NOT TRUE for a signal

(a)	Signal is representation of some physical quantity, variable or process.
(b)	Signal contains information about quantity it represents.
(c)	Signal, mathematically can be represented as function of some independent variable.
(d)	Signal value is generally constant with respect to independent variable.

Select options that is NOT TRUE for a System.

(a)	System is collection of elements arranged appropriately to serves the desired purpose
(b)	System typically take some input and generates output as desired
(c)	Signals and Systems exists independently and do not interact with one another.
(d)	Understanding interplay between signals and systems is essential both in design and analysis.

Mathematically signal can be function of one or more than one independent variable.

(a)	True
(b)	False

From below select property that does not relate to Continuous Time Signal

(a)	Value of a signal is defined at all instances of time
(b)	The independent variable t is a Real number
(c)	Such signals will have infinite samples in a given time range
(d)	Storage of such signals is easy

Sampling is a process of converting Discrete time signal to continuous time signal.

(a)	True
(b)	False

In regular day-to-day transactions Indian currency can be considered as example of discrete value signal

(a)	True
(b)	False

Square wave is and example of

(a)	Digital signal
(b)	Analog signal
(c)	Continuous time and discrete value signal
(d)	Discrete time and continuous value signal

$x (t) = e^{(- t)} c o s (100 π t) f o r a l l t$

is signal periodic and if so find its period?

Showing 1 to 8 out of 8 Questions