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Interview Questions and Answers

Electronics interview questions and answers, general guidlines,


    Frequently Asked Questions - Electronics

    標hat is meant by D-FF?

    標hat is the basic difference between Latches and Flip flops?

    標hat is a multiplexer?

    菱ow can you convert an SR Flip-flop to a JK Flip-flop?

    菱ow can you convert an JK Flip-flop to a D Flip-flop?

    標hat is Race-around problem?

    How can you rectify it?

    標hich semiconductor device is used as a voltage regulator and why?

    標hat do you mean by an ideal voltage source?

    標hat do you mean by zener breakdown and avalanche breakdown?

    標hat are the different types of filters?

    標hat is the need of filtering ideal response of filters and actual response of filters?

    標hat is sampling theorem?

    標hat is impulse response?









    髭xplain the advantages and disadvantages of FIR filters compared to IIR counterparts. 標hat is CMRR?

    Explain briefly. 標hat do you mean by half-duplex and full-duplex communication?

    Explain briefly. 標hich range of signals are used for terrestrial transmission?

    標hat is the need for modulation?

    標hich type of modulation is used in TV transmission?

    標hy we use vestigial side band (VSB-C3F) transmission for picture?

    標hen transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency?

    彦or asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit?

    稗PFSK is more efficient than BFSK in presence of noise. Why?

    標hat is meant by pre-emphasis and de-emphasis?

    標hat do you mean by 3 dB cutoff frequency?

    Why is it 3 dB, not 1 dB?

    標hat do you mean by ASCII, EBCDIC?


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