inautix technologies programming placement paper level1

7/29/2019 iNautix Technologies programming Placement Paper Level1

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TITLE:iNautix Technologies Programming Placement Paper Level1

(Bolded option is your answer)

1.What will be the output of the program?

#include

int main()

{

int y=128;

const int x=y;

printf("%d\n", x);return 0;

}

A 128 B Garbage value C Error D 0


#include

int main()

{

const int x=5;

const int *ptrx;

ptrx = &x;

*ptrx = 10;

printf("%d\n", x);

return 0;}

A 5 B 10 C Error D Garbage value
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#include

int main()

{

const c = -11;

const int d = 34;

printf("%d, %d\n", c, d);

return 0;

}A Error B -11, 34 C 11, 34 D None of these


#include

int main()

{const char *s = "";

char str[] = "Hello";

s = str;

while(*s)

printf("%c", *s++);

return 0;

}

A Error B H C Hello D Hel


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5.Declare the following statement?

"An array of three pointers to chars".

A char*ptr[3](); B char *ptr[3]; C char(*ptr[3])(); D char **ptr[3];

6.What do the following declaration signify?

int *ptr[30];

A ptr is a

pointer

to an

array of30

integer

pointers.

B ptr is a array of

30 pointers to

integers.

C ptr is a

array of 30

integer

pointers.

D ptr is a array 30

pointers.


int (*pf)();

A pf is a

pointer

to

function.

B pf is a function

pointer.

C pf is a

pointer to a

function

which return

int

D pf is a function of

pointer variable.


void *cmp();

A cmp is

a pointer

to an

void type.

B cmp is a void type

pointer variable.

C cmp is a

function that

return a void

pointer.

D cmp function

returns nothing.


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9.Declare the following statement?

"A pointer to a function which receives nothing and returns nothing".

A void*(ptr)*int

;

B void *(*ptr)() C void*(*ptr)(*) D void (*ptr)()


char *scr;

A scr is a

pointer

topointer

variable.

B scr is a function

pointer.

C scr is a

pointer to

char.

D scr is a member of

function pointer.

11.Which of the following statements should be used to obtain a

remainder after dividing 3.14 by 2.1 ?

A rem =

3.14 %

2.1;

B rem = modf(3.14,

2.1);

C rem =

fmod(3.14,

2.1);

D Remainder cannot

be obtain in floating

point division.

12.Which of the following special symbol allowed in a variable name?

A *

(asterisk)

B | (pipeline) C - (hyphen) D _ (underscore)

13.When we mention the prototype of a function?

A

Defining

B Declaring C Prototyping D Calling

14.What is the output of the program in Turbo C (in DOS 16-bit OS)?

#include


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int main()

{

char *s1;

char far *s2;

char huge *s3;

printf("%d, %d, %d\n", sizeof(s1), sizeof(s2), sizeof(s3));

return 0;

}

A 2, 4, 6 B 4, 4, 2 C 2, 4, 4 D 2, 2, 2

15.What is the output of the program

#include

int main()

{

int x = 10, y = 20, z = 5, i;

i = x < y < z;

printf("%d\n", i);

return 0;}

A 0 B 1 C Error D None of these

16.What is the output of the program

#include

int main()

{

int a[5] = {2, 3};

printf("%d, %d, %d\n", a[2], a[3], a[4]);

return 0;


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}

AGarbage

Values

B 2, 3, 3 C 3, 2, 2 D 0, 0, 0

17.What will you do to treat the constant 3.14 as a long double?

A use

3.14LD

B use 3.14L C use 3.14DL D use 3.14LF

18.Which of the following range is a valid long double (Turbo C in 16 bit

DOS OS) ?

A 3.4E-

4932 to

1.1E+493

2

B 3.4E-4932 to

3.4E+4932

C 1.1E-4932

to 1.1E+4932

D 1.7E-4932 to

1.7E+4932

19.Which of the following statement obtains the remainder on dividing

5.5 by 1.3 ?

A rem =(5.5 %

1.3)

B rem = modf(5.5,1.3)

C rem =fmod(5.5,

1.3)

D Error: we can'tdivide

20.Assunming, integer is 2 byte, What will be the output of the

program?

#include

int main(){

printf("%x\n", -1>>1);

return 0;


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}

A ffff B 0fff C 0000 D fff0

21.Assuming a integer 2-bytes, What will be the output of the

program?

#include

int main()

{printf("%x\n", -1(2+1-2)) & (~(1


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23.What function should be used to free the memory allocated by

calloc() ?

Adealloc(); Bmalloc(variable_na

me, 0)

C free(); Dmemalloc(variable_na

me, 0)

24.Specify the 2 library functions to dynamically allocate memory?

A

malloc()

and

memalloc()

B alloc() and

memalloc()

C malloc()

and calloc()

D memalloc() and

faralloc()

25.Which of the following cannot be checked in a switch-case

statement?

A

Character

B Integer C Float D enum


#include

int main()

{

char ch;

if(ch = printf(""))

printf("It matters\n");

else

printf("It doesn't matters\n");return 0;

}


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A It

matters

B It doesn't

matters

C matters D No output


#include

int main()

{

int k, num = 30;

k = (num < 10) ? 100 : 200;

printf("%d\n", num);

return 0;}

A 200 B 30 C 100 D 500


#include

int main()

{

int a = 300, b, c;

if(a >= 400)

b = 300;

c = 200;

printf("%d, %d, %d\n", a, b, c);

return 0;

}

A 300,

300, 200

B Garbage, 300,

200

C 300,

Garbage, 200

D 300, 300, Garbage

29.Point out the error, if any in the program.


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#include

int main()

{

int a = 10;

switch(a)

{

}

printf("This is c program.");

return 0;

}

A Error:No case

statemen

t

specified

B Error: No defaultspecified C No Error D Error: infinite loopoccurs

30.Point out the error, if any in the program.

#include

int main(){

int a = 10, b;

a >=5 ? b=100: b=200;

printf("%d\n", b);

return 0;

}

A 100 B 200 C Error: L

valuerequired for

b

D Garbage value


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31.In the following code, the P2 is Integer Pointer or Integer?

typedef int *ptr;

ptr p1, p2;

A Integer B Integer pointer C Error in

declaration

D None of above

32.What is x in the following program?

#include

int main(){

typedef char (*(*arrfptr[3])())[10];

arrfptr x;

return 0;

}

A x is a

pointer

B x is an array of

three pointer

C x is an

array of

threefunction

pointers

D Error in x

declaration

33.Which of the following is the correct usage of conditional operators

used in C?

A a>b ?

c=30 :

c=40;

B a>b ? c=30; C max = a>b ?

a>c?a:c:b>c?

b:c

D return (a>b)?(a:b)

34.Which of the following is the correct order if calling functions in the

below code?

a = f1(23, 14) * f2(12/4) + f3();


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A f1, f2,

f3

B f3, f2, f1 C Order may

vary from

compiler to

compiler

D None of above

35.Which of the following are unary operators in C?

1. !

2. sizeof

3. ~

4. &&

A 1, 2 B 1, 3 C 2, 4 D 1, 2, 3


#include

int main()

{

int x=12, y=7, z;

z = x!=4 || y == 2;

printf("z=%d\n", z);return 0;

}

A z=0 B z=1 C z=4 D z=2

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