ELECTRONICS
QUESTIONS
- 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?