8/9/2019 TCS_SET1

1/18

TCS

1. {

double d;

int i,j=2,k,l;

float f;

k=l=d=100/3;

i=(j=3/2)*2;

l=(d=3/2)*2;

}

the value of i will be

a)3 b)2c)1d)none

2.the value of d will be

a)33b)33.33c)33.0d)none

3.the value of l will be

a)3b)2c)1d)none

Use the following alternatives for questions 4 to 9

a)intb)string c)chard)none

4.'hi there'

5.'a'6."11040"

7.0xA

8.0a

9.'040'

10.what would the following program do?

main()

{

unsigned int i=0;

8/9/2019 TCS_SET1

2/18

8/9/2019 TCS_SET1

3/18

15. if(i>>j) printf("true");else printf("false");

16. if(i= =j) printf("true");else printf("false");

17. if(i+j) printf("true");else printf("false");

18.What is the value of d after executing the foll

statements

int d;

char c='\0';

d=(c= ='0'|| c= = '9');

a)0b)1c)2d)3

19. What is the value of i after executing the

following statementsint i=2,j=10,k=5;

i=++j%k++;j*=--k;

a)0b)1c)2d)3

20.In problem 19 what would be the value of j at the

end

a)50b)60c)55d)66

Find the value of the foll expression

21. 5+6%4a)2b)3c)7d)75

22. 1

8/9/2019 TCS_SET1

4/18

26. What is the value of x after executing the foll

statements?

int x,y=2,a=1,z;

if(x=y%2) z=2; a=z;

a)2b)0c)1d)none

27.In the problem 26 what would be the value of z at

the end

a)2b)0c)1d)none

28. In the prob;em 26 what would be the value of a at

the end

a)1b)0c)2d)none

29.The o/p of the foll two line of code willbe

int i=0;

while(++i

8/9/2019 TCS_SET1

5/18

others?

a)1b)2c)3d)4

32. if the i/p is "123a" what is the value of twos?

a)1b)2c)3d)4

Use the foll code for ans 33 to 35

if(n>0)

if(n>1)

printf("positive");

else

printf("negative");

33. if n is equal to 20 what is printed?

a)positiveb)negativec)no printing is done34. if n is equal to -10 what is printed?

a)positiveb)negativec)no printing is done

35. if n is equal to 1 what is printed?

a)positiveb)negativec)no printing is done

36.What is the value of b after executing the foll

statements?

int a=0,b=2;

if(a=0) b=0;

else b*=10;

a)2b)20c)10d)0

37. What is the o/p of the foll statements?

int i=0;

doprintf("%d",i);

while(i++

8/9/2019 TCS_SET1

6/18

a)only call by refb)only call by value

c)bothd)call by value and to a extent by ref

40. if the num is equal to 99 what is the o/p of the

foll lines of code

while(num--!=0)

{if((num%2)==0)

continue;

else

printf("even number");

break;

}

a)even number would be printed 2 times.

b) even number would be printed 49 times.

c) even number would be printed 50 times.

d) even number would be printed once.

41.A source file contains the foll lines of code

extern int s;

int t;

static int u;

main()

{ -------

}

which of the variables are available for the

functions defined in a diff source file

a)only sb)s and tc)only ud)s and u

42. If a function is added at the end of the source

{--}given in the 41st question ,what are the variables

that can be accessed by the function

a)all s,t and ub)only t and sc)only td)none

43. When the foll fn is called for the third tme in a

particular fn what will be the o/p?

{ static int s=0;

int l=o;

8/9/2019 TCS_SET1

7/18

s=s+1;

l=l+1;

printf("%d %d",s,l);

a)1 1b)1 3c)3 1d)3 3

44.In the foll source file the variable a can be

accessed by

main()

{----}

int a;

F1()

{----}

F2(){-------}

a)main,F1 and F2b)F1 onlyc)F1 and F2d)none

45.what is the o/p of the foll program

main()

{int i=2;

{int i=3;

printf("%d",i);

}

}

a)3b)2c)either 3 or 2d)erroneous case

46. What will be the o/p of the foll programmain()

{ char *name="Name";

change(name);

printf("%s",name);

}

change(char *name)

{

char *nm="New name");

name=nm;

}

8/9/2019 TCS_SET1

8/18

a)Nameb)New namec)Name=nm statement is not proper

d)function call is not valid

47. What is the o/p of the foll program

main()

{

int i=2,j=3;

swap(i,j);

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

}

swap(i,j);

int i,j;

( int temp;temp=i,i=j,j=temp;}a)32b)22c)33d)23

48. which of the foll declarations are valid

i)float a,function(int *b);

ii)float a,function();

iii)float a,function(int *);

a)i onlyb)i and ii onlyc)ii and iii only d)all

are valid

49.What is the o/p of the foll programs

main()

{

int i=2;

twice(2);

printf("%d",i);}

int twice(int)

{

/*not present in the xerox*/

}

a)4b)2c)some address

50. Execution always starts from the first function

declaration in the source file.the above statement is

a)true b)falsec)can't say

8/9/2019 TCS_SET1

9/18

51. Study the foll fns.

printd(int n)

{ if(nb)?b:a;

#define square(a) a*a

main()

{ int i=2,j=3,k=1;

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

printf("%d",square(k+1));

}

a)34b)24c)33d)23

54. Preprocessor instruction must start with a #

symbolin the first column in ANSI C.the above

statement is

a)trueb)falsec)can't say

55. What is the o/p of the foll program?

#define value

main()

8/9/2019 TCS_SET1

10/18

{ printf("value %d",value);

}

a)valueb)4c)4=4 d)none

56. Include files can be used for symbol

definitions,macro defn and global values only

a)the above is trueb)falsec)can't say

Use the foll declaration for 57 to 59

int A[10]=(0,2,4,8,16,32,64,128,256,512);

57. * A+1-*A+3=?a)4b)-4c)-2d)-6

58. A[6]-A[5]=?

a)8b)16c)32d)64

59. &A[5]-&A[1]=?

a)2b)4c)2d)16

60.Consider the declaration

int a,b[10],*p,k=2;

which of the foll is not valid?

a)a=kb)b[0]=2c)p=&kd)b=p

61. Consider the same declaration in problem 60

which of the foll is not valida)*b=(int)&kb)b[1]=2c)p=bd)none

Consider the foll statements for problems 62 to 66

int a,b[5]={1,2,3,4,5},c,*p,k=5;

p=b;

++*p;

p+=2;

After the above statements

62. The value of *p is

8/9/2019 TCS_SET1

11/18

a)1b)2c)3d)4

63. Value of b[1] &b[2] are

a)2,3b)2,2c)1,2d)can't say

64. The value of p-bis

a)1b)2c)3d)4

65. Value of(*p-*b) is

a)1b)2c)3d)4

66.Value of(&p-&b[1]) is

a)1b)2c)3d)4

Consider the foll program for 67 &68

main()

{

char a='a',b[]="b",*c="c",d='d';

mixup(a,b,&c);

}

mixup(p1,p2,p3)

char p1,*p2,**p3;

{

char *temp;

temp=&p1;p1=*p3;*p3=temp;

}

after calling the fn mixup

67.What is the value of *b

a)ab)bc)cd)none

68.What is the value of a

a)ab)bc)cd)none

69.Which of the foll is valid

a)#typedef struct{int i;} in;

b)typedef struct in(int i;};

8/9/2019 TCS_SET1

12/18

c)#typedef struct(int i;);

d)typedef struct{int i;}in;

Consider the foll statements are executed and answer

the foll

int p=20,*q;

q=&p;

70.What are the values of *p and *q+1;

a)20,21b)20,a random valuec)20,20d)none

71.What is(q-(&p-2))

a)2b)random valuec)not a valid expressiond)none72.For a ten element array the index ranges from

a)1 to 10b)0 to 9c)any ten int in seriesd)any one

of the above

73. Consider the foll statements

i)pointers can be added

ii)pointers can be subtracted

iii)integers can be added to pointers

a)all correctb)iii is correct c)i and ii are

correctd)ii and iii are correct

74.consider the foll statements

i)automatic arrays can be initiated in

declarations

ii)static arrays can be initialised indeclarations

a)ii correctb)i correctc)both correctd)none

75.Consider the foll statements

i)a[0] is same as *a

ii)a[1] is same as *a+i

iii)a[2] is same as ++*a

a)all are correctb)i is correctc)ii are

correctd)iii are correct

8/9/2019 TCS_SET1

13/18

76. What is the o/p for the foll fns.

char name[]="T.C.S",*p;

int i;

p=name;

while *p!=NULL

{ if(*p!='.')

printf("%c",*p);

++p;

}

a)T.C.Sb)tcsc) d)none

77. In the above probelm at the end what is (p-name)

a)4b)6c)5d)7

Consider the foll program for problems 78 & 79 with

source

file name prog

main(x,y)

int x;

char *y[];

{

printf("%d %s",x,y[1]);

}

78.What would be the o/p if it is invoked prog

a)0 progb)11c)1 progd)21

79. what would be the o/p if it is invoked as arg1

a)1,progb)1,arg 1c)2,progd)2,arg 1

80. Consider the foll fns

struct ADDRESS{

char *name;

char *city;

int pin;

};

8/9/2019 TCS_SET1

14/18

struct ADDRESS adr = {"name","delhi",123};

struct ADDRESS *adradr;

which of the foll references are valid?

i)adr name

ii)adradrpin

iii)adr.name

iv)adradr.pin

a)ii and iiib)i and iiic)i onlyd)ii only

After the foll functions

struct point{

int x;int y;

polygon[]={1,2,1,4,2,4,2,2};

struct point *a;

a=polygon;

((a++)x)++;

81. a-polygon=?

a)1b)2c)2 * word size in bytesd)2 * int size in

bytes

82. Which of the foll expression is equal to 2

a)polygon.xb)a xc)polygonx d)ay

83. Is the foll valid?

size of a structure is always equal to sum ofthe sizes of its member

a)validb)invalidc)can't say

84. What is the o/p of the foll fns?

int I=20;

a)20b)024c)020d))none

85. What is the o/p of the foll sts.

int I=20;

printf("%x",i);

8/9/2019 TCS_SET1

15/18

a)X14b)0110c)20d)none of the above

86. Consider the foll sts

float x,y;

scanf("%f %f",&x,&y);

If the i/p stream is 24.0 3 4

what are the values of x and y?

a)24.0 and 3.0b)24.0 and a random value

c)24.0 and 4.2d)erroneous syntax for

scanf

87. The fns called by the main() program shouldnecessarily be ened in the same source file in the same

order

a)trueb)falsed)should be in the same source file

but the order can be diff

88. The value of p after the foll is

char *p=" ";

a)p is NULLb)*p is '\0'c)any of the above

d)none of the above

89.In the file open structure,

A=fopen(B,C);

B is

a)pointer to the char array which has the file name

b)name of the file enclosed between two double quotes.c) anyone of the above

d)mode at access to the files

90.In the foll st.

X=malloc(Y)

which of the foll stmts is correct?

a) X will be the size of the array pointed to by Y

b)Y points to the location where the memory allocation

is to be made

c)X will point to the memory allocated by malloc

8/9/2019 TCS_SET1

16/18

d)none of the above

91. what is FILE

a)structure defined in stdio.h

b)file pointer defined in stdio.h for standard i/p

c) file pointer defined in stdio.h for default o/p

d)none of the above

92. The foll fn

A=calloc(B); /*A is of type char * and B is

a)validb)invalidc)valid if A is pointer to

integerd)none

93.What would be the o/p of the foll stmts

union{int no;

char ch;

}unone;

unone.ch=2;

unone.no=0;

printf("???%d",unone.ch);

a)2b)a null charc)0d)none of the above

94.which of the foll declarations is not valid

a)union {

int i;

char j;

}u;b)union{

int i;

char i;

};

c)union { int i;

FILE k;

}u;

d)union utag{

int i;

float j;

8/9/2019 TCS_SET1

17/18

}u[10];

95.With the foll declarations

char *s,*t,u[10],v[20];

which of the foll fn call is syntactically valid

a)strcpy(s,t) b)strcpy(t,u)c)strcpy(u,v)d)all of

the above

96.Which of the foll lines has error

main()/*1*/

{ /*2*/

int i,j;/*3*/

++i; /*4*/++j;/*5*/

i=i+j;/*6*/

j++/*7*/

printf("%d %d",i,j);/*8*/

a)2b)6c)8d)none of the above

97. What is the diff between printf and fprintf

a)printf is for std o/p & fprintf is for o/p into any

defined file

b)fprintf is not a valid fn

c)fprintf is a macro which is defined using fprintf

fn

d) None of the above

98. If p& q are pointers pointing to data of a similar

type which of the foll are validi)*(p+q)ii)*(p-q)iii)*p-*q

a)iii onlyb)ii and iii onlyc)ii onlyd)iii is

invalid sometimes

99. Which of the foll statements are true

i)arrays of structures are permitted in C

ii)arrays of pointer to fns are permitted in c

iii)arrays of basic datatypes are permitted in c

a)i,ii,iiib)i,iiic)iii onlyd)none

8/9/2019 TCS_SET1

18/18

100.Consider the foll declarations

char c;

int i;

float f;

which of the foll is permitted syntactically

a)(int *)&cb)(char *)&i c)(char *)&fd)all of

the above