What
is meant by D-FF?
What
is the basic difference between Latches and Flip flops?
What
is a multiplexer?
How
can you convert an SR Flip-flop to a JK Flip-flop?
How
can you convert an JK Flip-flop to a D Flip-flop?
What
is Race-around problem? How can you rectify it?
Which
semiconductor device is used as a voltage regulator and why?
What
do you mean by an ideal voltage source?
What
do you mean by zener breakdown and avalanche breakdown?
What
are the different types of filters?
What
is the need of filtering ideal response of filters and actual
response of filters?
What
is sampling theorem?
What
is impulse response?
Explain
the advantages and disadvantages of FIR filters compared to IIR
counterparts.
What
is CMRR? Explain briefly.
What
do you mean by half-duplex and full-duplex communication? Explain
briefly.
Which
range of signals are used for terrestrial transmission?
What
is the need for modulation?
Which
type of modulation is used in TV transmission?
Why
we use vestigial side band (VSB-C3F)
transmission for picture?
When
transmitting digital signals is it necessary to transmit some
harmonics in addition to fundamental frequency?
For
asynchronous transmission, is it necessary to supply some
synchronizing pulses additionally or to supply or to supply start
and stop bit?
BPFSK
is more efficient than BFSK in presence of noise. Why?
What
is meant by pre-emphasis and de-emphasis?
What
do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
What
do you mean by ASCII, EBCDIC?