Answer / nitin bishoriya

As now our more emphasis is on saving power and bandwidth
in communication,so we used digital
communication.Communication electronics includes the use of
elctronics devices and system for transmission,analysing
and amplification of signal.

Power elctronics as the name suggest deal with large power
that is not in case of ordinary device like diode and
transistor.For high power application we use
Thyristor,Triac,Diac.

Unlike three state in transistor i.e.
cutoff,active,saturation. In digital electronics there are
only two states on(cutoff) and off(saturation).This is
called digital as we got output in two forms only either
high or low.Various elements of logic family are
CMOS,TTL,RTL,DTL,HTL.

Answer / sikendra singh

communiccation is basically means of correct transferring
of the referred signal by transmitter to receiver end & if
this communication is done by using electronics circuits,
then it is referred as electronic communication...differnt
type of modulations can be realise by using electronics
circuit ,this can be an example for the electronics
commmunication

Answer / gayathri

mechtronics is d name refers to mechanical ,electrical and elcronics. in robotics....

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