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 58062

What is impulse response?

10 21874

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

Flextronics,

3 29628

What is CMRR? Explain briefly.

5 22281

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

9 21961

Which range of signals are used for terrestrial transmission?

2 16653

What is the need for modulation?

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

82 313011

Which type of modulation is used in TV transmission?

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

38 146748

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

BPL,

16 69039

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

2 14245

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 12246

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

Accenture, Osia Electronics,

1 16379

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

BEL, BSF,

24 113004

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 86506

What do you mean by ASCII, EBCDIC?

11 34033

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Un-Answered Questions { Electronics Communications }

Which filter has the highest q factor?

1143

where and why do we use stright and cross cable?

2094

What is DRX? Why do we need it?

1989

What is the impact of 3GDT in SGSN?

3779

i want model questions which will be asked in hindustan aeronautics online test for the post of managenent trainee

2416

Explain the operation of 1φ sinusoidal ac voltage controller?

1046

how many types of thyristor are? shortly define them with purpose, application & working principle?

1908

Write the definition of the duality theorem?

1082

what is limitation of auto transformer?

2304

Can i know what will be the cut off criteria for go to final isro interview??

2443

write a c program to multi(*) of two matrix using pointers?

1853

types of communication scheme in power plant ?

2600

Why is zener diode used as a voltage regulator?

992

plz tll me wch area i will prepare 4 IOCL EXAM............

2236

can u provide interview questions of AIRPORT AUTHORITY OF INDIA AIR TRAFFIC CONTROL??

1912

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