# Placement Papers - Wipro

## Why Wipro Placement Papers?

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## How to solve Wipro Placement Papers?

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### WIPRO Latest IT Fresher Placement Sample Paper - Part - 2

Posted By : Anil Rating : +56, -15

Wipro Technologies Placement Paper Part - 2

1) abcD+abcd+aBCd+aBCD
then the simplified function is
( Capital letters are copliments of corresponding letters A=compliment of a)
[a] a ab [c] abc [d] a(bc)* [e] mone
(bc)*=compliment of bc
Ans: e

2) A 12 address lines maps to the memory of
[a] 1k bytes [b] 0.5k bytes [c] 2k bytes [d] none
Ans: b

3) In a processor these are 120 instructions . Bits needed to impliment this instructions
[a] 6 [b] 7 [c] 10 [d] none
Ans: b

4) In 8085 microprocessor READY signal does.which of the following is incorrect statements
[a]It is input to the microprocessor
[b] It sequences the instructions
Ans : b

5) Return address will be returned by function to
[a] Pushes to the stack by call
Ans : a

6)
n=7623
{
temp=n/10;
result=temp*10+ result;
n=n/10
}
Ans : 3267

7) If A>B then
F=F(G);
else B>C then
F=G(G);
in this , for 75% times A>B and 25% times B>C then,is 10000 instructions
are there ,then the ratio of F to G
[a] 7500:2500 [b] 7500:625 [c] 7500:625 if a=b=c else 7500:2500

8) In a compiler there is 36 bit for a word and to store a character 8bits are needed. IN this to store a character two words are appended .Then for storing a K characters string, How many words are needed.
[a] 2k/9 [b] (2k+8/9 [c] (k+8/9 [d] 2*(k+8/9 [e] none
Ans: a

9) C program code
int zap(int n)
{
if(n<=1)then zap=1;
else zap=zap(n-3)+zap(n-1);
}
then the call zap(6) gives the values of zap
[a] 8 [b] 9 [c] 6 [d] 12 [e] 15
Ans: b

10) Virtual memory size depends on
[a] address lines [b] data bus
[c] disc space [d] a & c [e] none
Ans : a

12) Critical section is
[a]
[b] statements which are accessing shared resourses
Ans : b

mul a
store t1
mul b
store t2
mul t2
then the content in accumulator is
Ans : a**2+b**4

12. Add 79H and 86H and tell the contents of flags

13. Scr is used for _____ ( ac, dc , both )

14. Push pull amplifier is used to remove which harmonics ( even , odd , both )

15. PAM is demodulated using ___ ( low pass filter , high pass filter )

16. 16k memory is needed. How many chips with 12 address buses and 4 data buses are needed.

17. AM wave is detected using _________ detector

18. Which flip flop is used for shift registers

19. Program counter does what __ (stores a memory address, address of the present instruction)

20. In a bistable multivibrator communication capacitor is used for ______ ( speed up response , ac coupling)

21. Totem pole is what?

22. Time costant for an integrator and differentiator should be ( small , high etc.)

23.TV waves are __ ( sky waves , space waves etc.)

24.Which configuration has highest i/p imp. ( ce , cb , cc )

25. Parabolic antenna with 2degree angle. What is its directivity.

26. Given 10 mhz pe modulation and we got a 100 mhz band. How many channels can be there

Wipro Interview

1) Tell me about yourself

2) Favourite Subjects

3) What are the different types of sorts you know

4) Which sorting algorithm is useful in general

5) Given the different data sets,how do i know which sort to use

6) What is difference between C and C++

7) where do u use C and where do u use C++

8) What is polymorphism

9) In DBMS he asked me about SQL queries.

ex. name1 course1

name2 course2

name1 course2

name3 course2

name2 course1

give a SQL query to get the output as follows.

name1 course1

course2

name2 course1

course2

name3 course2

10) What is Waterfall model in SE

11) Iterative model and Rapid Application Development model

12) About my final year project and what stage is my FYP(current situation) according Waterfall model