Techincal Interview Questions - ELECTRONICS
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?
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