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DRDO Interview Questions

Questions Answers Views Company eMail

what is the function of external oscillator in 8051 microcontroller

1 6148

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

2 6808

how write a addtion of two single dimensional array using of pointer in c language?

3 5921

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

5173

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 5337

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 10586

Difference between shock and vibration isolator

2 12890

I have attended Scientist Entry Test on 7th Sep. Hereby I am submitting paper for Electronics and Communication branch…….. Hope it helps future aspirants……..

2271

WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

2 5175

WHAT TYPE OF QUESTION ASK FOR POST SENIOR TECHNICAL ASSISTANT IN DRDO

8121

if u give d.c. supply to transformer primary then what happen.&why??????????????

4 9551

Who was the father of Chander Gupt Morya?

2 6600

If 5+3+2=151012, 5+4+5=202504, 7+2+5=143542 then 8+6+2= ?

21 36141

what is fili flop ?

3 7497

In simply words(not explain any formula )what do you mean by power factor.?

5 8017

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DRDO Interview Questions

Un-Answered Questions

Explain what are psrs?

1011

suppose having unique and duplicate but I want to load unique record one table and duplicates one table?

786

What is import in angular?

839

What does an ip address mean?

1073

How would you rename a function in C?

1091

what are the experiment results for a Pea Plant experiment involving Gibberellin and dwarf plants?

2088

How do configure a user to login to sap grc system?

821

What is a map message?

974

what r the job openings SAS for fresher graduates !

2502

What are your thoughts on the data conversion for sap projects?

398

What is the importance of eval tool?

is it not possible to automate full project??what r the parts in project that cant be automated(tht has to be done manually)?

2496

Explain snapshot replication.

1013

what is flexible and rigid footing?

2424

What is immutablelist?

968