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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 2362

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

5 24115

sir i want syllabus for junior engineer §ion engineer.

980

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 7127

What is the maximum range of a general Radar

9 12738





what is the dwdm

7 12535

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

929

why we use the fuse

5 5110

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

2 4276

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

3825

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 3521

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 6807

what is fili flop ?

3 4160

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

1 3923

introduce your self

1 2946

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Un-Answered Questions

How many interlocks at turbine? Plz explain briefly

791


how to make an earthing certificate

1040


please give the detail design for the soring and shuttering for 8.5m deep excavation in the sandy soil for 25x10 rectangular streaches

1301


7-Given an index k, return the kth row of the Pascal's triangle. For example, when k = 3, the row is [1,3,3,1]. For reference look at the following standard pascal’s triangle.

1382


What is private key cryptography and how we compare it with public key cryptography?

859






I have 6 months experience as project tarine and one and a half year experience as software engineer.Should i write taht my total experience id 2 years.

745


What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?

2555


What are the designing parameters used in WMLScripts?

387


What is OutputCommitter?

52


AL+w button lanunches the .............. installed web brower

917


i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

780


Describe your experiences with code analyzers.

1015


what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

1009


Any one suggest me for Free ware (Opensource) Automation tool for regression testing.

908


what is WCT rate in chhattisgarh

2102






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