Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

What is sampling theorem?

22 58888

What is impulse response?

10 22276

Explain the advantages and disadvantages of FIR filters compared to IIR counterparts.

Flextronics,

3 29784

What is CMRR? Explain briefly.

5 22526

What do you mean by half-duplex and full-duplex communication? Explain briefly.

9 22296

Which range of signals are used for terrestrial transmission?

2 16760

What is the need for modulation?

Analog Devices, BSNL, HAL, Hathway, ICT, Kekran Mekran, KPIT, Microsoft, Nokia, SCSVMV, SRK, TATA, TCS,

82 315942

Which type of modulation is used in TV transmission?

ACC, Cognizant, College School Exams Tests, LG, TCS, Videocon,

38 148190

Why we use vestigial side band (VSB-C3F) transmission for picture?

BPL,

16 69592

When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency?

2 14388

For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit?

IBM, Wipro,

2 12359

BPFSK is more efficient than BFSK in presence of noise. Why?

Accenture, Osia Electronics,

1 16454

What is meant by pre-emphasis and de-emphasis?

BEL, BSF,

24 113913

What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

College School Exams Tests, Infosys, Persistent, TCS, Wipro,

16 87137

What do you mean by ASCII, EBCDIC?

11 34515

Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

What is pcb?

1429

What are the advantages of free wheeling diodes in a controlled in a controlled rectifier?

1099

Sir how i can resolve my MTI problem ?

1839

why are u hiring electronics

1575

19. Name different types of TRXs which supports different GSM bands 20. ODU LED shows orange – what is the significance?

1948

Please, give me the simple circuit dig. for "oscillator with variable frequency & upto 6W". I will be very thankful to you.

2021

Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?

1336

i need recent placement paper

1925

Draw the circuit diagram of 1φ auto sequential commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary waveforms?

1242

I have Completed my diploma in Electronics in year 2009.I got low score in TOEFL.SO what should i do to get the visa...I am confident that I will get the visa..But probable chances for getting visa....and i also got I20 and paid Visa interview fees.....

2091

What is holding current in scr?

1150

documentation on improved trace buffer via Selective Data Capture Using 2-D Compaction for Post-Silicon Debug

2050

What is a base station?

1295

i having three wire RTD but i want analog input signal 4 to 20ma to Allen Bradly plc.so how to connect this one.pls clarifie me.

1946

In india What are the best institutes for telecom job oriented training,am b.tech e.c.e fresher?

2673

For More Un-Answered { Electronics Communications } Questions Click Here