WorksheetsSignal Operations
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Which of the following is an example of amplitude scaling?
a)
Electronic amplifier
b)
Electronic attenuator
c)
Both amplifier and attenuator
d)
Adder
2.
Resistor performs amplitude scaling when x (t) is voltage, a is resistance and y (t) is output current.
a)
True
b)
False
3.
Time scaling is an operation performed on _______
a)
Dependent variable
b)
Independent variable
c)
Both dependent and independent variable
d)
Neither dependent nor independent variable
4.
Y (t) = x (2t) is ________
a)
Compressed signal
b)
Expanded signal
c)
Shifted signal
d)
Amplitude scaled signal by a factor of 2
5.
Y (t) = x (t/5) is _______
a)
Compressed signal
b)
Expanded signal
c)
Time shifted signal
d)
Amplitude scaled signal by factor 1/5
100 %
