Transmission……is a condition that causes information to be lost.
a) Impairment
b) proper
c) un-impairment
d) none of these
Causes of impairments are
a) attenuation
b) distortion
c) noise
d) all of these
….. is/are the loss of energy that signal propagate outward.
a) attenuation
b) distortion
c) noise
d) none of these
The amount of energy depends on
a) time
b) frequency
c) bit rate
d) none of these
In …. signal change its shape and form.
a) attenuation
b) distortion
c) noise
d) none of these
Communication Devices