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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 2652

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

5 25641

sir i want syllabus for junior engineer §ion engineer.

1157

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 7539

What is the maximum range of a general Radar

9 13694





what is the dwdm

7 13460

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

1090

why we use the fuse

5 5433

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

2 4512

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

4086

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 3697

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 7243

what is fili flop ?

3 4510

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

1 4192

introduce your self

1 3188

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Un-Answered Questions

What is dojo toolkit?

1


What is semantic elements in html5? List some semantic elements

43


What is ng template in angular?

32


Can I maintain two different units in a measuring point?

71


Can you pass same core data objects between different threads and modify?

53






What is grid system in bootstrap?

1


Is django mobile friendly?

1


How many java languages are there?

29


Design a built-up column carrying an axial load of 1200 KN. Its length is 8m and it is effectively held in position at both ends and restrained against rotation at one end. Assume yield stress of 250 mpa

1021


Do you know what are the common telemarketing fraud? : insurance cold calling

22


What is composer in laravel?

30


Why spring singleton is not thread safe?

51


What is delegates in c#?

37


What is the new basic requirement for a cmp entity bean class in 2.0 from that of ejb 1.1?

66


Explain the fashion forecasting

1