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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 9585IN AN OSCILLOSCOPE TWO COUPLING IS THERE, THAT IS AC & DC COUPLING, WHERE DO WE USE THESE COUPLINGS ?
2 6552How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)
1 5206What 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 10256What is "Aging effect" in B.J.T. ? please mail the answer at my ID, which is- kuldeeptiwarit@gmail.com
1 5821Post New DRDO Electronics Communications Interview Questions
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What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
Explain how do we change file access permissions?
Explain in an orderly manner how the force in the member of a truss be detected using the method of joint.
What is the use of payroll areas?
How is xml extensible?
what is meant by k-rating in isolation transformer?what is k9, k14 stands for?
What keyword allows us to implement abstraction better in flex?
Should the keyword density calculated in parts of words or in total?
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How you will handle session when deploying application in more than a server?
what is fragment in android?
What is sap treasury and risk management?
Explain how are portions of a program disabled in demo versions?
How can we set and destroy the cookie in php?
How do I import a csv file into db2?
