IES EC Government Jobs Exams Logical Reasoning

Q. Which one of the following is the correct statement? The continuous time system described by y(t) = x(t^2) is

a. causal, linear and time-varying
b. causal, non-linear and time-varying
c. non-causal, non-linear and timeinvariant
d. non-causal and time-variant

Read Solution (Total 3)

IES EC Other Question

Match List-I (Application of Signals) with
List-II (Defamation) and select the correct
answer using the code given below
List-I
A. Reconstruction
B. Over sampling
C. Interpolation
D. Decimation
List -II
1. Sampling rate is chosen significantly
greater than the Nyquist rate
2. A mixture of continuous and discrete
time signals
3. To convert the discrete time sequence
back to a continuous time signal and
then resample
4. Assign values between samples and
signals
Codes;
A B C D
a. 3 4 1 2
b. 2 1 4 3
c. 3 1 4 2
d. 2 4 1 3
Q. Match List I (Modulation) with List II (power input to Antenna in Watts) and select the correct answer using the code given below the lists:

List-I
A. 100% AM
B. 50% AM
C. 1.0% AM
D. FM
List-II
1. 1.5
2. 1.125
3. 1.005
4. 1.00
Codes;

__A B C D
a. 1 2 3 4
b. 2 4 1 2
c. 1 4 3 2
d. 3 2 1 4