WorksheetsAnalog and Digital Transmission
Total questions: 10
Worksheet time: 5mins
Term that refers to loss of strength of a signal is called
attenuation
distortion
Noise
Impairments
Value of the decibel is positive, if signal is
Attenuated
Distorted
Noisy
Amplified
Type of computer data transmission in which start/stop transmission bits are not required is termed as
synchronous
pulse
asynchronous
intermittent
Transmission type which transmits data one character at a time, with the sender and receiver not synchronized with each other is termed as
synchronous
ethernet
asynchronous
internet
The modulation techniques used to convert analog signal into digital signal are
a.Pulse code modulation
b.Delta modulation
c.Amplitude modulation
Both a and b
The sequence of operations in which PCM is done is
a) Sampling, quantizing, encoding
b) Quantizing, encoding, sampling
c) Quantizing, sampling, encoding
d) None of the above
High SNR means
Signal more corrupted by Noise
Signal less corrupted by Noise
A signal is measured at two different points. The power is P1 at point first point, and power is P2 at second point. The dB is zero means
P2 is zero
P2 equal to P1
P2 larger than P1
P2 smaller than P1
--------------- is a type of transmission impairment in which outside source such as cross talk corrupt a signal
Attentuation
Noise
Distortion
Decibel
Video broadcasting uses ...................transmission
Asynchronous
Synchronous
Isochronous
None of the above
