2011 ST Microelectronics Placement Paper - IBangalore

  • CategoryIT
  • Sub CategoryPlacement Papers
  • LocationBangalore
  • CompanySTMicroelectronics
  • Posted date on our Website19 April 2011

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Here are the details of 2011 ST Microelectronics Placement Paper - I job in STMicroelectronics. This job or placement paper has been sourced from either company website or newspaper or other media and from students who appeared for this job. User is requested to verify the data before applying for the job.

2011 ST Microelectronics Placement Paper - I with Answers, Solutions:-

1. Which conversion is not possible

a. float to int
b. int to float
c. char to float
d. all are possible

Ans: d

2. Threads have which thing in common
a. register set
b. data section
c. thread id
d. ...

Ans : b

3. One question like
main()

{ int x=5, y; y= x*x++ * ++x ; // print x and y }

4. A cpu has four group of instruction set A, B, C, D

CPI of A = 1
CPI of B=3
Cpi of c =2
cpi of d= 4
the cpu access 20% of A, 30% of b, 30% of C and 20 % of D
what will be the average CPI.

Ans: 1*20/100 + 3* 30/100 + 2* 30/100 + 4* 20/100

5 . A question on hit ratio n effective memory access time.

6. main()
{ int a=10,b=5 while ( --b>=0 && ++a)
{ --b; ++a; }
print (a);
print (b);

Ans: a=16, b=-2

7. main()
{ char i; for (i=0; i<=255; i++)
{ printf("%c", i); }

Ans: never ending loop

8. One question on controls systems to find the transfer function poles n zeroes were given in a graph

Ans: s(s-2)/(s-3)(s-4)

9. one question on sampling theorem, if sampling frequency is fs then the signal having same characteristics will be of frequency.

10. one on the signal to noise ratio: - if the amplitude of the signal is reduced to half & N bits samples r used with M quantization level, then the SNR will be reduced by a factor of

Ans: 6 db

11. Question on calculating the bit rate to be transmitted across the given capacity channel

12. calculating the checksum for the bits to be transmitted given the frame- 11000101 and generator is1100.

13. calculating the no of bits required for the error detection & the error correction for the given codeword set.

codeword a:

0000

0001

0011

1111

codeword b:

101111

110101

14. options were given to choose as which was an example of multitasking.

a: multiple remote users accessing a server

b: user working on spreadsheet, downloading some matter from internet

c: multiple programs resident in memory


15. CA in CSMA/ CA stands for

a. collision approval

b. collision avoidance

c. critical access

16. in a triangle, without changing the angle, if we double the sides, then new area will be

Ans. four times

17. there is a pipe having diameter 6mm, then how many pipes having 1mm diameter will be needed to provide same amount of water.

Ans . 36

18.
in which of the following schemes after page replacement the entered page will enter in the same memory location as of the replaced one

a. direct mapping ( Ans)

b. n-set associative

c. associative

d. none of them

19. belady anamoly is related to.

Ans
. page replacement algorithm

20.which one uses cache mechanism

Ans TLB

About STMicroelectronics:-

STMicroelectronics is one of the world’s largest semiconductor companies with net revenues of US$ 10.35 billion in 2010. Offering one of the industry’s broadest product portfolios, ST serves customers across the spectrum of electronics applications with innovative semiconductor solutions by leveraging its vast array of technologies, design expertise and combination of intellectual property portfolio, strategic partnerships and manufacturing strength.

STMicroelectronics was one of the first global industrial companies to recognize the importance of environmental responsibility and, over the past 15 years, the Company’s sites have received more than 100 awards for excellence in all areas of Corporate Responsibility, from quality to corporate governance, social issues and environmental protection.
 

Contact Details:

Address of STMicroelectronics:-

PLOT NO. 1, KNOWLEDGE PARK-3,
Greater Noida - 201308, Uttar Pradesh , India
Phone :     91-120-2352999

Bangalore:-


3/1, JP Techno Park,.
Bangalore,Karnataka
India
 

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