what is ccd

2 Answers  

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working and uses of current transformer?

0 Answers   Infosys,

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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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interface 8085 microprocessor with 4K RAM, 256 bytes RAM, 2K RAM and 6K ROM using decoders and gates?

0 Answers  

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what is PLC? how can they work? Is there any possiblity to replace it?

1 Answers   Honeywell,

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will anyone pls tell me which is the best institue for oracle certification and approx fee for that in banglore....

0 Answers  

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i having one cisco 2950 switch,but i having no rights of ythis switch,now i want to know switch macc addrerss of particular network ip,how can i resolved?

0 Answers  

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Define beta of a transistor.

0 Answers  

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3. What is the command to unlock the BTS

0 Answers   BEL, NSN,

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Why do we use FM for sound and AM for video in TV transmisssion?

5 Answers   DRDO,

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functions of a resolver

0 Answers  

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Why ce configuration is most popular in amplifier circuits?

0 Answers  

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