Time Left - 10:00 mins
ISRO EC Quiz 6 : Signals & Systems
Attempt now to get your rank among 1160 students!
Question 1
What is the period of the sinusoidal signal X(n) = 5 Cos {0.2πn}?
Question 2
The discrete time system described by 
is
is Question 3
The ramp function can be obtained from the unit impulse at t = 0 by
Question 4
Consider a continuous time system A, modeled by the equation 
and a discrete time system B modeled by the equation 
These systems are
and a discrete time system B modeled by the equation These systems are Question 5
The relation between input 
and output 
of a continuous-time system is given by
What is the forced response of the system when
(a constant)?
and output of a continuous-time system is given by What is the forced response of the system when
(a constant)? Question 6
Decimation is the process of
Question 7
Which one of the following is a Dirichlet condition?
Question 8
If 
is of finite duration and is absolutely integrable, then then the ‘region of convergence’ is
is of finite duration and is absolutely integrable, then then the ‘region of convergence’ is Question 9
An ideal low-pass filter has a cut-off frequency of 100 Hz. If the input to the filter in volts is 
the magnitude of the output of the filter will be
the magnitude of the output of the filter will be Question 10
Match List-I (Discrete Time Signal) with List-II (Transform) and select the correct answer using the codes given below the lists:
List-I
A) Unit step function
B) Unit impulse function
C)
D)
List-II
1) 1
2)
3)
4)
List-I
A) Unit step function
B) Unit impulse function
C)
D)
List-II
1) 1
2)
3)
4)
- 1160 attempts
- 7 upvotes
- 38 comments
Feb 28ESE & GATE EC
