Electronics Communications Interview Questions
Questions Answers Views Company eMail

can u send me previous question papers of secction engineer (electronics),chennai rrb.

BPO,

1667

one year ago, promila was four times as old as her daughter sakshi. six years hence, promila's age will exceed her daughter's age by 9 years. the ratio of the present ages of promila and her daughter is

Infosys,

4 19792

please send me PHOTON INFOTECH sample placement papers or pattern of the paper.very urgent.

1 5738

what is the use of electronics in software company

TCS,

2 7738

what is side band theory

TCS,

2 6910

about microprocessor and microcontroller

4 17489

what is meant by interrupt vector table? what it's use?

8 21380

HI..!! I THINK THIS SITE IS AN EXCELLENT SOURCE FOR YOUNG ENGINEERS, I READ THE POSTS REGARDING DIFFERENT PLACEMENT PAPERS IT WAS INDEED HELPUFL...BUT FRM WHR CAN I GET THE WHOLE APTITUTE PAPER FOR REFERENCE??

1577

tell me about accenture

1851

previous rrb secunderabad exam papers with solutions?

College School Exams Tests, EEE, FIC, IBM, Renuka Plastic Craft, RRB, TC, TCS,

59 91678

why ringing is very high in emitter follower and source follower?

Freescale,

2 6529

What is the difference between ASICs and FPGA devices? Which one is better? Which is being currently in use?

4 8894

what is code vector?

HCL, Sahajanand,

1714

Suppose, I m talking with mine friend and I m going to market by car(setting).After some distance passed, mine call will be handover to other site, this site allready going on with full trafic than mine call will be drop or handover to the same site .....

Airtel,

6 7140

last Airforce test paper

1588


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

What are the advantages of negative feedback over positive feedback.

619


Explain why the feeding frequency to a microprocessor is twice the operating frequency?

542


what is a router how it woks? what is a compromised router in networks?how it works? what is a packet loss and packet dropping? what is a malicious packet?when it occurs?

1371


What is RX lev sub & Rx lev full

2774


Define nyquist criteria.

618






For what a triggering circuit is provided in a cro?

540


What is the between demultiplexer and decoder?

542


What principle does a q-meter operate?

619


HI, i am jayakumar, a B.E graduate of ECE. i have applied for officer trainee written test exam which is going to be conducted by hindustan petroleum corporation limited. currently the writen test of it, has been postponed from febuary to someother day without releasing the date. i am searching for question related to the writen test that whould be asked during the event of the test. if you possess the questions, pls email it to this id jai_pkp81@yahoo.co.in

1530


What ODU work?

1704


Define why iceo >> icbo?

847


What is meant by 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? What do you mean by an ideal voltage source? What do you mean by 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 briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the 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? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

1558


Explain the configuration of 4+4+4.

1548


the industires choose embedded system for their applications because of reverse engg is not possible is the only reason or other reasons are available

1390


Explain why an ammeter should be of very low resistance?

596