Details of Paper Technical - C & C++ by DSQ conducted by DSQ for job interview.

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DSQ PAPER

Techanical paper

Questions 1 -5 are reference to the followig psedo code

{

input m,n,z

TEST:if ((m+n)/3>5)z=z+1 else z =z-1

printf m,n,z

{

(m-m+1;n=n-3)

if (m+n+2)>14 then goto test

print m,n,z

end

}

1. what is the final output of the if the input is 2,14,12 (m,n,z)

a)1,8,4 b)1,4,8 c)4,8,1 d)8,4,2

ans=C.

2. what is the final output if the input is 1,18,2? (m,n,z)

ans) 5,6,2 i.e ans =c.

3. How many times is TEST execute ed if the input is 2,14,1?

ans) twice ans=c.

4) How many times the TEST exected if the input is 1,18,2?

ans)four times

5) what are the values taken by Z when input being 8,24,1?

a)only 5 b)only 6 c)neither 5 or 6 d)both 5 and 6

ans)D.

6) the function f(x) is defined as follows

if x=0 then f(x) =1

if x>0 then if ((x>10)then f(x) =x-10 else f(x) =x+1))

if x<0 then if (x**2 <100) then f(x) =f(-x+1) else f(x) =f(-(x+1))

6) the above of f(2) +f(-3) is

ans=8.

7) the value of f(8)+f(9) is

ans=20

8) the value of f(1)+f(2)+f(3).............+f(10) is

ans=65

9) the value of f(-10)+f(-9)+f(-8) is

a) 33 b)25 c)-27 d)27

11. 1997 haeadecimal is

a)7cb b)7cd c)7cf d)7ca

ans-c

12. the remainder when 9FA (hexa) is divided by 8 is added to the

12(to base ten) to get x.then x has the binary opertion

ans=1110

13. the remainder when 1221 (in hexa) is diveded by 17(decimal) in (hexa)is

ans=0

14. The binary number 100010011 will the hexa representation

ans=113

15. The binary number 10011001 will the octal representation

ans=463

16 Find the odd man out

16 a) Intel b)motorola c)nec d)Ibm

ans =nec

17. a)BIt b)byte c)nibble d)field

ans= field

18 a)Tree b)Root c)Log d)leaf

ans=log

19. a)ROM b)PROM c)EPROM d)EEPROM

ans=ROM

20. a)MOVE b)DEL c)COPY d)REN

ans=DEL

21. What,s the output of the following program

main()

{

int z=3;

printf("%d %d ",z,main());

}

a)prints a value 3 b)prints junk value c)error message d)infinite loop

22) main()

{

int i=3,j=5;

while (i--,J--)

{

printf("%d %d".i,j);

}

}

The loop will be executed

a)3 times b)5times c)8times d)infinite times

23) main()

{

int i=3,j=5

If(i--,j--)

printf("%d %d ",i,j);

}

The output of the program for (i,J)is

a)3,5 b)3,4 c)2,4 d)2,5

ans=B

24) main()

{

int i=3

printf ("%d %d %d ",++i,i-,i+=5);

}

The the out put of the program is

a)8,8,8 b)4,3,8 c)3,2,7 d)4,4,9

ans=B

25) main()

{

int times =5;

int i=3;

int j=4;

int k=34;

i=j+k;

while(times --)

{

i=times

j=times

k=times

}

printf("%d %d %d " ,i,j,k)

}

THe output of the praogram is (i,j,k)

a)19,9,35 b)38,42,80 c)43,47,85 d)15,14,41

ans=C

26) main()

{

int num =32765;

while (num++);

printf(" %d ",num)

}

what"s the out put ofthe program

a)prints all the number above 32765 including the number 32765

b)prints all the number above 32765 excluding the number 32765

ans=B.

27) main()

{

float k=3.4156

printf("%f %f ",float(k),c(k))

}

The output of the program

a) 3.4156 ,3.4156 b)4,5 c)3,4 d)3.45 3.40

ans=C.

28) main()

{

int bounce =4;

printf ("total number of bounce =%d",bounce ++);

}

The out put of the program is

ans=D (stoP)

29) main()

{

int number =25;

char name =,A,

printf("The addition of the name and the number is %o "name +_number)

}

the output of the program is

a)compiler error

b)run time error

ans= A

30)

31) ODBC means

ans= open data base connectivity

32) ASCII stands for

ans= american standard for information interchange

33)

34) flops stands for

ans)floating point operation per second

35) by superconductivity

ans)

36) PERT stands for

Program evalution and review techniq

37) IMS is a

ans) data base system

38) HTML is a

ans) Hyper text markup language

39) The default backend of visual basic is

ans)sybase

40) Client server is based on

ans) distribution processing

44) computer viruses can spread from one system to anther by means of

a) infected disks b)links to a network

c)downloaded program from a bulletin boardd)all of the program

ans)D

45) A front end processor is usually used in

ans=multi processing.

46) A radio active material of mass 16gms loses in 10 years due to

radiation.How many more years will take for the material to attain a

mass of of 1gm ?

ans=80 years

47) A block of ice floats on water in a beaker as the melts the water

level n the beaker will remain the same

ans=Remains same.

48) if va,vn,vs are velocities of sound in a air ,water ,and steel then

ans)vs>vn>va

49) in usual computer arthimetic the value of the integer expression

22/5*2+8*2/6

ans= 8.

50) an operting system is a

a)file manager b)memory manager

c)i/o manager d)all of the above

ans=D.

1.How many liters of water must be added to 30 liters of alcohol to make a

solution thatis 25%

ans:120

2.How much is 3/7 larger than 20 percent of 2

ans;1/35

3.xyz=120,then which of the following cannot be a value of y

ans:0

4.a number of subsets of a set s is 128, then s has

ans:7

5. xsqrt(0.09)=3 , then x equals

ans:

6.perimeter of rectangle is s and the other sideis x, then the other side

ans:(s-2x)/2

7.solution of system of equations y-z=0,x+8y=4,3x+4y=7z is

ans:x=1,y=1,z=1

15. f(x,y) =x**2 -y**2 then the value of f(4,(f(1,2) is

ans =7.

16. if the radius of the circle is incresed by 6% then its area incresed

by

ans=36%

17. the average of seven numbers is 2.5 then their product

asn=17.5

18. the minimum of (2x+1)**2 + (x+2) is at x =

ans = (-4/5)

19. the probability of getting at least in a single through of three

coins is

ans=7/8.

20. atrain covers the distance D beteween two cities in hhours arriving

2 hours late.what rate would permit to train to arrive on schdule?

ans= (D/H-2)

21. in a single throw of dice ,the chance of throwing a total of 3 is

ans) 1/216.

22. a triangle of sides 3,4,5 then its----is

ans:6

23. Which of the following is next smaller invalue than--- one half

ans:2/5

24. if f(x)=1/x then f(f(f(x))) equals

ans:1/x

25. if f(x)=1/x**2 , then f(f(f(x)))

ans:1/x

26.if 8x+4y=6 and 4x+5y=7, x+y equl\als

ans:1

27. find the next number in the series 1,2,5,10,17,26

ans:37

28,.sqrt(0.16)+cubic root(0.027) equals

ans:0.7

29.if a,b>0 and a+b=2 then the max value of ab is

ans:1

30. p and q are positiveintegers with their average 5, find how many

different values can p take

ans:9

31. if 0<x<1 which of the following is the largest

ans:1/x

33. If x,y,z are three consecutive natural numbers, which of the following

numbers should be x+y+z

ans:2/3

34. two persons run a race of 100m. the winner won by (110/11)m and one

second in time. find the speed of lsoer in met

ans:9.09

35. in a group of 15,7 can speak spanish, 8 can speak french and 3 can

speak neither,. how much of the group can speak both french and spanish

ans:1/5

36. which of the following intefgers is the square of an integer for every integer

ans:a**2+2n+1

37. which of the following has the largest numberical value

ans:0.2/0.000001

38. ifn is odd which of the following statements is true

ans: 3n+1 is even

39. which of the following is the prime

ans:80

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