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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 2686

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

5 25760

sir i want syllabus for junior engineer §ion engineer.

1173

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 7608

What is the maximum range of a general Radar

9 13793





what is the dwdm

7 13564

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

1099

why we use the fuse

5 5523

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

2 4547

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

4105

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 3729

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 7303

what is fili flop ?

3 4556

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

1 4234

introduce your self

1 3219

Post New DRDO Electronics Communications Interview Questions






Un-Answered Questions

Does linux get malware?

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who among the following is responsible for establishing IS Audit function in the organisation?

393


What is a multidimensional array?

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What are string literals in python?

65


Hi I'm using data federator.I would like to know if it allows select statment in where clause.For example: SELECT Employee, company, orgunit FROM TAB_BIG WHERE employee IN (Select TAB_SMALL.employee FROM TAB_SMALL WHERE flag = X ) bye

927






What is the difference between 16 bit and 32 bit?

48


In an interview, what r the general questions asked in SQL which is realted to testing ?pls give me anwser to this question?

924


What are types of preprocessor in c?

100


Explain about the box cox transformation in regression models?

25


What is jspinit method?

60


A and V enter into a joint venture to sell a consignment of biscuits sharing profits and losses equally. A provides biscuits from stock Rs 10000. He pays expenses amounting to Rs 1000. V incurs further expenses on carriage Rs 1000. He receives cash for sales Rs 15000. He also takes over goods to the value of Rs 2000. The profit on joint venture is 7 (a) Rs.3000 (b) Rs.5000 (c) Rs.6000 (d) Rs.3500

1366


How to define an oracle sub procedure?

103


What are different ways to invoke a directive?

727


What is path variable bash?

75


What is Forecasting in Tableau?

33