What is 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? Explain an ideal voltage source? Explain 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 half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there 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? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?

3 Answers   DRDO, Electronics,

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What is cache coherency and snooping

0 Answers  

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What is eddy current?

5 Answers   CTS,

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WHAT IS THE ELLIGIBILITY FOR ADMISSIONS IN NITS

0 Answers  

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What is the advantage of scr?

0 Answers  

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What is meant by gain-bandwidth product? What is its significance?

0 Answers  

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wat is difference b/w gateway and router

1 Answers  

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What is the importance of valence shell and valence electrons?

0 Answers  

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why is there -48 v DC voltage use in CISCO Router.?? is there any advatage to use this type of negative voltage rather than positive voltage??

1 Answers  

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What is the differences between microprocessor and micro controller?

0 Answers  

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In pic16f877a the adc output is 10bit but the microcontroller ability is only handle the 8 bit.how the 10 bit is changed into 8 bit

1 Answers   HCL,

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Tell me about use of heat sinks in digital circuit.

4 Answers   TCS,

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