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Join Date: Apr 2005 Location: Hyderabad Age: 25 | Re: Electronics and communication engineering core interview questions. -
11-03-2007, 08:57 PM
Some of the questions I got this season in interviews are
1. What is hole theory?
2. What is avalanche effect?
3. Difference between CDMA and GSM?
4. What is GPRS? How does it work?
5. Have you heard of 4th generation mobile techlogy?
6. What is S/N ratio?
7. What is transponder?
8. What are the types of soldering?
Will add a few as I remember them...
Please post some good links if u can find ...
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11-03-2007, 09:19 PM
my god...some of the questions wud hv made me freeze...
whats the answer to this question-
Why is the 1st micro processor named 8085??
lemme know if anyone of u know this...n plzz guys wen u post a question post its answer too...
there is one basic always asked... "whats the diff between GSM and CDMA"?
i think the answer shud be... CDMA works on one frequency band...whereas GSM uses techniques such as TDMA and FDMA that means GSM operates on many frequencies...each user is alloted a frequency and a time slot....(correct me if am wrong guys...)
what abt the answer to that question"where will u find resistors in this room"...i think most electrical appliances wud have it...
i gave interview at NIILM and BIMTECH and i escaped of any technical question... 
guys keep psoting...c ya
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got through MICA PGPCME | | | | | | | |
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Join Date: Jan 2007 Location: #103, Change Masters Age: 24 | Re: Electronics and communication engineering core interview questions. -
12-03-2007, 06:16 PM
Quote:
Originally Posted by suyash_rocker  my god...some of the questions wud hv made me freeze...
whats the answer to this question-
Why is the 1st micro processor named 8085??
lemme know if anyone of u know this... | 8085 was an improvement on 8080 micro processor.it was fully software compatible with 8080,thats y it got the 808.
the 5 was added because it was the first micro processor to run on 5 V supply.
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Join Date: Jan 2007 Location: #103, Change Masters Age: 24 | Re: Electronics and communication engineering core interview questions. -
12-03-2007, 06:21 PM
Quote:
Originally Posted by anujfun where in this room (interview room) can u find a rectifier ,capacitor , transistor etc
actually any component u can think of ......
guys please keep this thread alive and also if u know any answer please post it . |
u will find a capacitor,resistor in fan..
also the tubelight choke is an inductor and resistor.
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Join Date: Nov 2006 Location: Jaipur--> Roorkee Age: 24 | Re: Electronics and communication engineering core interview questions. -
12-03-2007, 07:53 PM
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Join Date: Feb 2007 Location: Hyd->Chn-> Del | Re: Electronics and communication engineering core interview questions. -
30-01-2008, 04:07 PM
Quote:
Originally Posted by rmbt Whats the difference between E&C and electrical engg??
Why didnt u opt for Comp sci!!
Which is you fav subject??
Why is the 1st micro processor named 8085??
Difference between micro processor and microcontroller!!
Will post more later as i gather or remember them |
Micro processor is not a self-contained unit. It needs ROM, RAM and lot of other stuff to work...\
where as Micro controller is a self-contained processing unit. It can do processing witout any other component.
EX. Microcontroller used in smart cards.
Diff between ECE and EEE: ECE we use semi conductors and in EEE we don't :Neutral
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Join Date: Feb 2007 Location: Hyd->Chn-> Del | Re: Electronics and communication engineering core interview questions. -
30-01-2008, 04:14 PM
Quote:
Originally Posted by suyash_rocker my god...some of the questions wud hv made me freeze...
whats the answer to this question-
Why is the 1st micro processor named 8085??
lemme know if anyone of u know this...n plzz guys wen u post a question post its answer too...
there is one basic always asked... "whats the diff between GSM and CDMA"?
i think the answer shud be... CDMA works on one frequency band...whereas GSM uses techniques such as TDMA and FDMA that means GSM operates on many frequencies...each user is alloted a frequency and a time slot....(correct me if am wrong guys...)
what abt the answer to that question"where will u find resistors in this room"...i think most electrical appliances wud have it...
i gave interview at NIILM and BIMTECH and i escaped of any technical question...
guys keep psoting...c ya | yup...
GSM and CDMA represent different ways of sharing the spectrum.
CDMA uses same frequency for a number of signals. This is possible because of Analog to digital conversion and then encoded with a random signal. Then decoded at the receiving end using decoding algorithem. Hence lot of ppl can talk wiht out interference...
WHere as GSM, the no. of ppl who can share a particular freq is limited. Specturm is divided in frequency and then time slots are allotted....for callers... :
Due to spectrum constraints, CDMA which needs less spectrum for the same number of calls, has advantage over GSM. And it's less costly to set up as well.
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Join Date: Nov 2006 Location: Mumbai Age: 24 | Re: Electronics and communication engineering core interview questions. -
30-01-2008, 04:26 PM
google gives plenty of hits if i search "java interview questions" didnt give any good results for ECE interview questions.. can anyone provide any useful link... a question-answer bank or something. or any book.. blog.. anything... P.S. i will need answers also... just questions wont do any good to me as i have sold off all my "xerox" to paperwala
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30-01-2008, 04:50 PM
Quote:
Originally Posted by kondapalli Micro processor is not a self-contained unit. It needs ROM, RAM and lot of other stuff to work...\
where as Micro controller is a self-contained processing unit. It can do processing witout any other component.
EX. Microcontroller used in smart cards.
Diff between ECE and EEE: ECE we use semi conductors and in EEE we don't :Neutral | my half cent!!!!
ECE = electrical (basics) + electronics i.e. semiconductors (hardcore ) + communication (wired and wireless)
EEE = electrical (hardcore) + electronics (semiconductor basics) + industrial electronics + lots on electrical machines
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Join Date: Dec 2007 Location: Theatre of Dreams Age: 21 | Re: Electronics and communication engineering core interview questions. -
30-01-2008, 05:38 PM
How many states does signal has ?
there are 3 states in a signal: on state, off state, tri state
2. which software is used to design a software IC using VHDL
altera
3. How many type of resistances are there in a diode
Two, one when forward biased have zero resistance and the other when reverse biased has infinite resistance
4. What type of architecture is used in 8085 microprocessor?
Von-Neumann architecture
5. What are semiconductor devices
A semiconductor device is a device which has a pn junction in it.Ex. Diode, transistor.
Basically they are different in conduction property. these materials are not conductors by default they become conductors in some cicumstances like, increase in temperature or difference in the charge density, etc.
Germanium and silicon are the best examples of semiconductors...
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