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Polaris paper
Posted Date: 13 May 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: yamini Member Level: Gold
Rating:  Points: 1
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POLARIS Paper
Technical Section: 40qns in 30min
It covered basics of almost all ece subjects like abt transistors, digital & microprocessors,
communication,microwave etc...but qns were only basics nothing in deep... all qns had
choices...
1. qn abt transistor..basic workin
2. boolean expn was given for simplification-simple
3. How many flags does 8085 have? (ans-5)
4. which of the following are universal gates?
(ans-nand,nor)
5. whts the frequency range of mobile communication?
6. the resolution of picture in tv depends on..
a. no: of lines scanned
b. video detector o/p
and 2 more choices were given...
7. qn on stability of FET
8. wht is the modulation used to transmit sound in tv signal
a. VSB
b. FM
and 2 more choices were there...
9. wht is double integration of a unit step signal?
a. ramp signal
b. parabola
dont remember the other 2...(ans-b)
10. qn abt spectral density-basic
11. qn abt basics of finite fourier transform(FFT)..it was something abt 8pt FFT...don't
remember exactly...but if u know the definition u can do...
I am not able 2 memorize the rest frenz...but there were few more qns on transistors...
Aptitude Section: 30qns in 30min...all qns had
choices...
1. completing Series of alphabets was given...
2. A guy walks @ 4kmph from a point..After 4hrs a
cyclist starts from the same point @ 10kmph .... At wht distance will
they meet from the starting point?
the qn was almost like this...don remember exact wordings...
3. x% of people have tea, y% have coffee, z no: of people have both...find the total no: of
people...
soln: easy..have to use n(AUB)=n(A)+n(B)-n(A intersctn
B)..
4. Figure given & we have to find out the no: of
4sided figures in it...little complicated..bcoz less time...
5. Complete the series....
1,4,9,25,... (choices- 47,49,64,none)
6. Complete series...
7. Analytical qn
"failures are stepping stones to success" this
means...
a. all success are preceded by failures
b. success consists of failures
c. failures can lead to success
d. none..
8. abt matrices..
which of the following don't have inverse?
u have to find for which matrix |A|=0...time
consuming...
9. another abt matrices...
10. there was 1 big sqr which had 16 sqrs in it..4 in
a row & column.. each sqr had a no: in it.. except one sqr... had 2 find the missing no:...i
dont remember the nos...
11. 4 sentences given..& 4 choices of word
given...have to choose 1 word that suits all the 4 sentences...
*the police are ___ about the miising boy in the forest.
* the detective was ___ her face for marks.
and 2 more sentences were there...
choices(investigating, searching....).
ans:investigating.
12. opposites... sluggish x rapid
13. rising x setting
14. meanings...easy
15. meanings...
16. hcf of 2 nos...1024 & 1214...don remember nos
exactly..like in rs aggarwal...
3 qns fill in the blanks..V V simple..based on grammer
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Responses
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| Author: Vidya 22 May 2008 | Member Level: Diamond Points : 2 | useful article
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