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WorksheetsVolume 3
Total questions: 15
Worksheet time: 15mins
Frequency and period are ______.
proportional to each other
not related
similar
inverse of each other
________ is the rate of change with respect to time.
Amplitude
Time
Frequency
Phase
_______ describes the position of the waveform relative to time, t = 0.
Amplitude
Time
Frequency
Phase
A simple sine wave can be represented by one single spike in the _____ domain.
amplitude
frequency
time
phase
As frequency increases, the period ________.
remains the same
decreases
increases
none are correct
________ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium.
Attenuation
Distortion
Noise
Decibel
________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.
Attenuation
Distortion
Noise
Decibel
________ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal.
Attenuation
Distortion
Noise
Decibel
For a ______ channel, the Nyquist bit rate formula defines the theoretical maximum bit rate.
noisy
noiseless
bandpass
low-pass
For a noisy channel, we need to use the _________ capacity to find the maximum bit rate.
Nyquist
Shannon
Sharon
Shepherd
What is the phase shift for a sine wave with the maximum amplitude at time, t = 0 ?
0 degrees
90 degrees
180 degrees
270 degrees
What is the phase shift for a sine wave with the maximum amplitude after quarter cycle?
0 degrees
90 degrees
180 degrees
270 degrees
What is the bit rate for a signal in which 1 bit lasts for 2 ms duration?
5 bps
500 bps
500 Kbps
None is correct
What is the bit rate for the signal in the diagram?
800 Mbps
100 Mbps
62.5 Mbps
500 Mbps
A signal passed through three cascaded amplifiers, each with a 2 dB gain. How much is the signal being amplified?
2 times
3 times
4 times
5 times
