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DRDO Electronics Communications Interview Questions
Questions Answers Views Company eMail

How can we measure the Refractive Index of a 2 m long optical fiber?

1 2766

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

5 25944

sir i want syllabus for junior engineer §ion engineer.

1211

I'would like to know the type of questios asked for STA (senior technical assistant)interview in DRDO.whats the nature of the interview? whether theres HR and Technical interview?

2 7701

What is the maximum range of a general Radar

9 13951





what is the dwdm

7 13735

what do you mean by junk yard,neo,meo,leo in satellite communications

1138

why we use the fuse

5 5631

IN AN OSCILLOSCOPE TWO COUPLING IS THERE, THAT IS AC & DC COUPLING, WHERE DO WE USE THESE COUPLINGS ?

2 4620

What's the difference between looping 0s and 1s in K map?

4153

How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)

1 3783

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 7391

what is fili flop ?

3 4655

What is "Aging effect" in B.J.T. ? please mail the answer at my ID, which is- kuldeeptiwarit@gmail.com

1 4297

introduce your self

1 3272

Post New DRDO Electronics Communications Interview Questions






Un-Answered Questions

If any cable burnt how can we identify it burnt by high current of high voltage? 

1483


why the India electrical supply transmission loss is high when compare to us

1061


different aspects of voltage stability

955


Where is the menu icon?

16


Would your rather work with information or with people?

171






What assignment was too difficult for you?

195


what is isolator

1090


How to jump to a particular line in a file using vim editor?

124


"Trial Balance is not a comclusive proof of the accuracy of the books of accounts." Explain this statement and describe the errors which are not disclosed inspite of the agreement of trial balance.

1553


What is Weblogic ? (Weblogic Interview Questions)

139


is all the test cases to be automized !!! if yes / no let explain the reason

1284


Explain what is polymorphism?

117


How do I run a python script?

107


What is the normal table capacity for gathering data?

1


What are the different types of parts used in xsl?

103