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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 3644

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

 5 27770

sir i want syllabus for junior engineer §ion engineer.

 1639

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 8732

What is the maximum range of a general Radar

 9 16642

what is the dwdm

 7 16087

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

1556

why we use the fuse

 5 7328

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

 2 5601

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

 4669

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 4498

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 8888

what is fili flop ?

 3 6136

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

 1 5055

introduce your self

 1 4238

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DRDO Electronics Communications Interview Questions


Un-Answered Questions

how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

1895

What is the ubuntu terminal?

372

When it is desirable to describe files Internally?

1178

What is ISO-OSI reference model ? Compare it with TCP/IP reference model.

1249

What is traceability matrix? Is it required for every project?

599




How are sessions maintained?

522

What is scaffolding in c#?

472

Can we create a class inside a class in java?

538

Explain the differences between jsp and servlet.

533

Explain the difference between dos and windows?

284

How do I use xml namespaces with sax 2.0?

493

What does nextint () do in java?

546

Differentiate database data and data warehouse data?

577

Why do we use virtual private network?

558

what is ur strangth & weekness

1808