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Transmission……is a condition that causes information to be lost.
a) Impairment                    

b) proper
c) un-impairment                

d) none of these

a

Causes of impairments are
a) attenuation                                     

b) distortion
c) noise                                 

d) all of these

d

….. is/are the loss of energy that signal propagate outward.
a) attenuation                                     

b) distortion
c) noise                                 

d) none of these

a

The amount of energy depends on
a) time                                                  

b) frequency
c) bit rate                                              

d) none of these

b

In …. signal change its shape and form.
a) attenuation                                     

b) distortion
c) noise                                 

d) none of these

b

Communication Devices