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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 2150

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

5 22419

sir i want syllabus for junior engineer §ion engineer.

850

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 6920

What is the maximum range of a general Radar

9 12186





what is the dwdm

7 11953

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

816

why we use the fuse

5 4923

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

2 4084

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

3593

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 3409

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 6518

what is fili flop ?

3 3938

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

1 3742

introduce your self

1 2756

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Un-Answered Questions

what is composition of fizzy drinks

700


How to test SQL -911 error while developing COB-DB2 program

4850


What do you think are your personal strengths and what are the areas where you need to improve as an individual?

1830


What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

639


what is sales tax assesment or annuel return company and how to do end of the finiancial year and what is form no 240.

704






what does tru, dtru, cdu do and what is inside of them. Please ans

1522


what casues little rust pockets to pop through or off concrete cylinder blocks (home)?

710


What is the meaning of "Modulus" and "Alignment" in a datafile. Data file might be from any database. Data file is created through unloading data from a table. So, while loading this data into my table, I need to use these keywords. Could any one can help me regarding this?

776


Can some body explain me please..mobile to mobile call flow explaination..

665


diff between exptected result and requirement?

782


What is the percentage i get to work in MICROSOFT

871


program for inter process communicatin using message sharing in unix c

551


You want a automation tool to be used for your project. How will you convince the client for the same. Please give me specific answer.

552


a) we have 30nos., 300mm dia, 4m length double under reamed piles.calculate excavation quantity.b) tell concrete qty. also.

9128


Write an algorithm for implementing insertion and deletion operations in a singly linked list using arrays ?

2082






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