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?