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  #1  
April 9th, 2015, 03:35 PM
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Scientist/Engineering last year question papers

Hello. You can plz provide me the previous years questions papers for Scientist/Engineering???
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  #2  
April 10th, 2015, 01:17 PM
Super Moderator
 
Join Date: Mar 2012
Re: Scientist/Engineering last year question papers

Hello, as per your need I am providing you the previous years question papers…..


ISRO Scientist/Engineer EXAM PATTERN
Total questions 80
Time 90 minutes
Marking +3 for correct and -1 for wrong
There will be one section and questions would be branch-specific.
Previous years question papers








sample paper for Scientist/Engineering

1. If sampling frequency doubles then
a) Quantization noise decreases
b) Quantization density decreases
c) Quantization noise increases
d) Quantization density increases

2. Two signals of 2GHz and 4GHz are frequency modulated on same carrier 10
GHz. Find the ratio of frequency deviation if band widths of both are equal.

a ) 1:2 b)2:1 c) 1:1 d) 1:4

3. Gray code of 111 is

4. 3X512+7X64+5X8+3 then value in binary form contains _______ number of 1?s.
a) 7 b) 6 c) 9 d) none

5. The 2?s compliment of decimal number 19 in 8-bit system is

6) The high gain codes are
a) Turbo codes b) BCH codes c) R-S codes

7) BCH codes are of the type________
a) Convolutional type b) c)
8) Time constant of LC circuit is
a) L/R b) L/R2 c) RL

9) If R is doubled and C is halved then frequency of series RLC circuit is

10) The solution for the equation (D2+4) y=sin2x
Attached Files
File Type: pdf question paper of previous paper.pdf (628.6 KB, 69 views)


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