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IN AN OSCILLOSCOPE TWO COUPLING IS THERE, THAT IS AC & DC COUPLING, WHERE DO WE USE THESE COUPLINGS ?
2 6521How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)
1 5185What 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 10195I have attended Scientist Entry Test on 7th Sep. Hereby I am submitting paper for Electronics and Communication branch…….. Hope it helps future aspirants……..
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WHAT IS THE DIFFERENCE BETWEEN BRAND AND A COMPANY?
How to duplicate slide in powerpoint shortcut?
What is an event in c#?
How do I open an aspx file in pdf?
What is portable wi-fi hotspot?
Hi, I completed MCA in 2006.After studied Informatica,SQL server and basics of reporting tool in one of the training center in chennai.I got subject knowledge only.But I didn't go any job because I scared to face real time.Anyone please advice how can I enter again into this and anyone provide real time exposure with project.
What are table edits?
Define inheritance?
in terms of accounting the trial balance when is it taken?
what is semi&full custom difference b/w these two?
If you are self employed, what were some things that you did to get your name out? If not, what do you think are some good strategies to do so?
what ispositive, negative, zero sequence impedence?
What is cloudera?
Examples of automatic generated content material of car logbook loans?
Suppose you need to conduct a small marketing research study in your neighborhood regarding the purchase and use of detergent powders. What will be your approach in the process?
