100 c objectives

1. What is the output of the program?

void main ( )

{

struct xyz

{

char c[5];

int x;

}abc[];

abc[]={"lird",10,"labs",20,"research",30};

printf("%s",abc[1].c);

printf(",%d",abc[2].x);

}

(a). error

(b). labs,20

(c). labs,30

(d). labs,10


int add (int x);

void main( )

{

int y;

y=add(3);

clrscr();

printf("%d",y);

}

add(int x)

{

return (x--);

}

(a). 4

(b). 3

(c). 2

(d). error


void main( )

{

char a;

int b;

short c;

double d;

clrscr();

a=b=0;

c=d=1;

a++;--b;c++;--d;

printf("%p,%p,%p,%p",a,b,c,d);

}

(a). error

(b). %p,%p,%p,%p

(c). 1,-1,2,0

(d). junk values

(e). 0001,FFFF,0002,0000

4. What is the output of the following?

void main()

{

/* Hai buddies / Hai once again*/ */

}

(a).Will compile

(b).Will not compile


#define FALSE 0

#define TRUE -1

#define HAI 1

void main()

{

int x=1,y=2;

clrscr();

if(FALSE,HAI,TRUE)

{

printf("%d",x+y);

}

else

printf("sorry");

}

(a) syntax error

(b) 3

(c) sorry

(d) runtime dependent


void main()

{

char a[10]="domain",b[10]="system";

puts(strcat(a,b));

printf("%s",strcat(a,b));

}

(a). domainsystem

domainsystem

(b). domainsystem domainsystem

(c). domainsystem

domainsyst

(d). error

7. What is the output of the following program?

void main()

{

static int x,y,z;

auto int a,b,c;

static int bx[1];

register int cash[1];

a=1;b=2;c=3;cash[0]=1;

clrscr( );

printf("s:%d%d%d",x,y,z);

printf(",ns:%d%d%d",a,b,c);

printf(";s:%d%d",bx[0],bx[1]);

printf(",ns:%d,%d",cash[0],cash[1]);

getch( );

}

(a). s:111,ns:123;s:11,ns:1,0

(b). s:000,ns:123;s:00,ns:1,1

(c). s:000,ns:123;s:00,ns:1,junk value

(d). s:111,ns:123;s:11,ns:1,junk value

8. Give the output of the program?

void main()

{

char box[3],*c_ptr;

int cash[3],*i_ptr;

clrscr( );

c_ptr=box-5;

printf("c_ptr(bf):%u",c_ptr);

c_ptr=c_ptr+1;

printf(",c_ptr(af):%u",c_ptr);

i_ptr=cash+4;

printf("\ni_ptr(bf):%u",i_ptr);

i_ptr=i_ptr-1;

printf(",i_ptr(af):%u",i_ptr);

getch();

}

Assume box address = 65522

Assume cash address = 65516

(a). c_ptr(bf):65517,c_ptr(af):65518

i_ptr(bf):65520,i_ptr(af):65519

(b). c_ptr(bf):65517,c_ptr(af):65518

i_ptr(bf):65524,i_ptr(af):65522

(c). c_ptr(bf):65511,c_ptr(af):65513

i_ptr(bf):65524,i_ptr(af):65522

(d). c_ptr(bf):65517,c_ptr(af):65519

i_ptr(bf):65520,i_ptr(af):65518


void main()

{

float a=1,b=2,r1;

float x=10,y=20,r2,r3;

clrscr();

r1=(char)(a/b);

r2=x/y;

r3=(char)a/b;

printf("r1=%f",r1);

printf(",r2=%f",r2);

printf(",r3=%f",r3);

}

(a). junk value

(b). 0.500000,0.500000,r3=0.500000

(c). 0.500000,0.500000,r3=0.000000

(d). 0.000000,0.500000,r3=0.500000

(e). 0.000000,0.500000,r3=0.000000


void main()

{

char c[10]="JIKA";

clrscr();

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

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

}

(a). ,s2,1,JIKA,

(b). ,s2,1,JIKA,4,

(c). JIKA,4,s2,1

(d). JIKA,,s,1

(e). error


void main()

{

float x=0.0;

clrscr();

if(--x,++x)

printf("one");

if(x++,--x)

printf("two");

if(++x,x++)

printf("three");

x-=3;

if(x,--x)

printf("four");

getch( );

}

(a). onetwothreefour

(b). onetwothree

(c). threefour

(d). onetwofour

(e). twothreefour


#include<stdio.h>

void main()

{

int x,y,z;;;

x=0;y=1;z=2;;;;

x=y+z;

clrscr();

printf("%d",x);

printf(",%d",y);

getch( );

}

(a). will compile

(b). will not compile


void main()

{

float f=89.9732143876f;

int k=65536+32768;

clrscr();

printf("\n%e,%.e,%g",f,f,f);

printf(",%d",k);

}

(a). 9.997321e+01,9e+01,89.9732,-32768

(b). 8.997321e+01,9e+01,89.9732,-32768

(c). 9.997321e+01,9.0e+01,89.9732,98304

(d). 9.997321e+01,9.e+01,89.9732,98304

(e). 8.997321e+01,9.e+01,89.9732,98304


int main()

{

char box[]="R123";

clrscr();

puts(box);

printf("%s",box);printf("%s",box);

return 0;

}

(a). R123R123R123

(b). R123R123

(c). R123R123

R123

(d). R123

R123R123


void main()

{

char start,*show,*end;

clrscr();

end=(char*)(show(char*)strcpy(start,"MISPIS,"));

printf("%s%s%s",start,show,end);

getch();

}

(a). MISPIS,MISPIS,MISPIS,

(b). MISPIS,junk value

(c). error

(d). MISPIS,MISPIS,junk value


_fastcall float sum(int a, int b);

main ( )

{

sum(-3,5);

}

_fastcall float sum(int a, int b)

{

float c;

c=a+b;

printf("%f",c);

}

(a). junk value

(b). 2.000000

(c). works under windows

(d). works under OS/2

(e). c and d


# include<string.h>

void main()

{

char zone[]="kargil";

char target[]="kargil";

char result;

clrscr();

result=(strcmp(zone,target))?1:0;

if(result)

printf("EQUAL");

else

printf("NOT EQUAL");

getch( );

}

(a). NOT EQUAL

(b). EQUAL

(c). compiles and no answer

(d). compiles but don't run

18. Give the output of the following?

void main()

{

char t1[10];

t1="craft";

printf("%s",t1);

}

(a). craft

(b). craf

(c). Lvalue required

(d). raft


void main()

{

char ptr1[]="goat";

char ptr2[]="good";

clrscr();

if(strcmp(ptr1,ptr2)>0)

printf("good job");

else

printf("nice job");

}

(a). good job

(b). nice job

(c). error

20. What will be the output?

void main()

{

char *text;

char buffer[50]="1234567890";

int arr[6]={1,2,3};

text=buffer;

clrscr();

printf("%d,%0.5d,%d",sizeof(buffer),sizeof(text),sizeof(a

rr));

}

(a). 50,1,6

(b). 50,2,12

(c). 10,2,12

(d). 10,1,6


void main()

{

static buffer[10];

int i;

clrscr();

for(i=0;i<2;i++)

printf("%s",buffer[i]);

getch( );

}

(a). (null)(null)

(b). garbage value

(c). error

(d). 0 0


void main()

{

char *buffer;

buffer = "done-boss";

clrscr();

//printf("%c",buffer);

//printf("%s",buffer);

printf("%s",*(buffer+3));

getch();

}

(a). pragram will not compile

(b). abnormal program termination

(c). e-boss

(d). ne-boss


void main()

{

char string[][3]={"123","456","789","012","345"};

int row,column;

clrscr();

for(row=0;row<5;row++)

{

for(column=row;string[row]!=string[column];column++)

printf("%s",string[row]);

}

printf(",");

}

(a). blank screen

(b). 123,456,789,012,345

(c). 147,032,581,436,925

(d). 123,345,456,012,789


doit(int *x,int *y)

{

*x = *x**y;

*y = *y**y;

}

void main()

{

int x=10,y=2;

clrscr();

doit(&x,&y);

printf("%d,%d",x,y);

}

(a). 10,2

(b). 10,4

(c). 20,2

(d). 20,4


void main()

{

unsigned char s;

unsigned c=0;

for(s=0;c!=120;c+ +100)

printf("%d,",c);

}

(a). 0,100,

(b). error

(c). 0,0,0,0,...

(d). 0,100,200,300,...


void main()

{

int *buffer[] = {"12","13","1","20","70"};

int x,y,z;

clrscr();

x =(int) buffer;

y =(int) buffer + 3;

z = x++;

printf("%d,%d,",z,y-x);

z = (x++);

printf("%d,%d",z,x-y);

getch();

}

(a). 13,8,14,-6

(b). 13,8,13,-6

(c). error

(d). depends on the address of the buffer


void main()

{

char *axe[] = {"1","2","3"};

int result;

clrscr();

result = sizeof(axe)/sizeof(char*);

printf("%d",result);

}

(a). 3

(b). 6

(c). 2

(d). error


void swap(int *num1 , int *num2)

{

int *temp;

temp = *num1;

*num1 = *num2;

*num2 = temp;

}

void main()

{

int num1=5,num2=8;

clrscr();

swap(&num1,&num2);

printf("%d,%d",num1,num2);

getch();

}

(a). 5,8

(b). 8,5

(c). error (no return statement in swap())

(d). junk values


void main()

{

int buffer[] = {0,0x9,8,7};

int ptr = 1;

clrscr();

printf("%d,",buffer[ptr]);

printf("%d,",ptr[buffer]);

printf("%d",buffer[ptr++]);

getch();

}

(a). 9,9,9

(b). 9,junk,9

(c). 0x9,junk,9

(d). 9,junk,8


int printf(const char *,...);

void main()

{

int n1=10,n2=10,n3=50,total;

float calc;

char modified[]="calc = %f";

clrscr();

calc=((n1+n2+n3)*2)/2.0;

printf(modified,calc);

}

(a). error (in prototyping of printf())

(b). compiler dependent

(c). calc = 70.000000

(d). error (in arguement modified given to printf())


void main()

{

int fox[10] = { 1,2,3,4,5,6,7,8,9,10 };

clrscr();

printf("%d,",(fox+5)+*(fox+1));

{

int fox[10] = { 1,2,3,4,5,6,7,8,9,10 };

printf("%d",(fox+5)+*(fox+1));

}

getch();

}

(a). compiler dependent

(b). garbage value

(c). values depend upon the fox address

(d). error (invalid pointer addition)


void main()

{

struct stru

{

int age;

char name[15];

}detail1={22,"dass"};

union u

{

int age;

char name[15];

}detail2={11};

detail2=(union u) detail1;

printf("%d%d",detail1.age,detail2.age);

}

(a). 11,22

(b). 22,11

(c). 11,11

(d). 22,22

(e). error


void main()

{

int bit, byte=0x5;

bit = 1;

clrscr();

switch(bit & byte)

{

case 3: printf("hai!\t");

case 2: printf("everybody\t");

case 1: printf("fine");

default:printf("");

}

getch();

}

(a). hai! everybody fine

(b). everybody fine

(c). fine

(d). empty screen


void main()

{

char name[3][10]= { "server", "printer","poder"};

clrscr();

printf("%s is good\n",&name[1][0]);

printf("%s is bad",name[2][0]);

getch();

}

(a). starting address of printer' is good

poder is bad

(b). printer is good

'ascii value' is bad

(c). printer is good

poder is bad

(d). p

p


static int a=5;

void main()

{

int res=0;

clrscr();

do

{

res+=(1/a);

}while(0<a--);

printf("Result = %f",res);

getch();

}

(a). Result = 1.000000

(b). Divide error

(c). Zero

(d). Junk value


main( )

{

char *abc="LIRD";

clrscr();

printf("%2.6c\t",abc);

printf("%-2.6c\t",abc);

printf("%(-2.6+1)c\t",abc);

printf("%2c\t",abc);

printf("%-2c",abc);

return 0;

}

(a). LIRD RD D RD

(b). Ascii value Ascii value %(-2.6+1)c Ascii value Ascii

value

(c). L I R LI RD

(d). LI LI LI LI


void main()

{

const int k=5;

int num[20]={1,2,3,4,5};

for(k=0;k<5;k++)

printf("%d",num[k]);

}

(a).1 2 3 4 5

(b).error

(c).5

(d).none


void main(argc,argv)

{

clrscr();

if(argc<1)

printf("error");

if(argc==1)

printf("no error");

else

exit(1);

}

(a).error

(b).no error

(c).Abnormal termination

(d).warning


#include <stdio.h>

main()

{

char *a,b[]="operation";

clrscr();

a=b;

printf("%*a,",5,a);

printf("%*b,",4,b);

printf("%*b",6,b[3]);

getch();

return 0;

}

(a). %*a,%*b,%*b

(b). t,a,r

(c). operation,operation,r

(d). error


#include <stdio.h>

void main()

{

char *s="hai";

clrscr();

printf("%.*,%s",s,s);

getch();

}

(a). %.*,hai

(b). %.*,%s

(c). .*,hai

(d). error


main()

{

int x,y,z;

clrscr();

scanf("%d%d",x,y);

z=x+y;

printf("%d",z);

return 0;

}

Give input values: x=2,y=3

(a). 5

(b). will not compile

(c). empty screen

(d). garbage value

42. What will be the output of the program?

void main()

{

int x=20,y=30;

clrscr();

if(x=6)y=7;

else y=3;

printf("%d",y);

}

(a). 7

(b). 3

(c). error


#include <stdio.h>

convert(int num)

{

if(num%2) return num;

else return(10);

}

void main()

{

int num=30;

clrscr();

num=convert(num);

num=convert(num);

printf("%d",num);

getch();

}

(a). error

(b). 0

(c). 30

(d). 10


#include <stdio.h>

void main()

{

unsigned int a=0;

clrscr();

while(a>=0)

{

printf(" %u ",a);

a--;

}

getch();

}

(a). 0,65535,65534,...

(b). empty screen

(c). 0,65535,65533,...

(d). 0,65534,65532,...

(e). 0,garbage values...

45. What will be the output of the following program?

#include <stdio.h>

void main()

{

int bat[5]={1,2,3,4,5},*bate;

clrscr();

bate=&bat[5];

printf("%d",bate[-1]);

getch();

}

(a). 5

(b). 4

(c). 3

(d). 2

(e). 1

(f). error

(g). garbage value


#include <stdio.h>

int zip(int n)

{

if(n<=1) n=1;

else n=zip(n-3)+zip(n-1);

return n;

}

void main()

{

int a;

clrscr();

a=zip(6);

printf("%d",a);

getch();

}

(a). 5

(b). 6

(c). 7

(d). 8

(e). 9

47. .What is the output of the following program?

#include <stdio.h>

void main()

{

int x;

clrscr();

switch(x)

{

case 0:printf("ST");

case 1:printf("Hai");

case 2:printf("Bye");

default:printf("Wrong");

}

getch();

}

(a). ST

(b). STHaiByeWrong

(c). Wrong


#include <stdio.h>

void main()

{

int j;

clrscr();

switch(j=6)

{

case 1:printf("one");break;

case 2:printf("two");break;

case 1+2+3:printf("last");break;

default:printf("Wrong");break;

}

getch();

}

(a). one

(b). last

(c). Wrong

(d). error


#include <stdio.h>

void main()

{

int buddy,dummy = 0;

buddy=1;dummy=0;

clrscr();

if((buddy=0) && (dummy=1))

printf("buddy is good");

else

printf("dummy is good");

getch();

}

(a). buddy is good

(b). dummy is good

(c). possibly incorrect assignment

(d). error


#include <stdio.h>

void main()

{

char x=0xA;

int y;

clrscr();

y=(int)x;

printf("%d",y);

y=y>>2;

printf(",%d",y);

getch();

}

(a). 65,16

(b). 10,2

(c). garbage values

(d). error


#include <stdio.h>

void main()

{

clrscr();

fn(5);

getch();

}

int fn(int x)

{

if(x<=0)

return;

else fn(x-1)+x;

printf(" %d ",x);

return;

}

(a). returns nothing

(b). 1 2 3 4 5

(c). error

(d). 5 4 3 2 1

(e). 0 1 2 3 4 5


#include <stdio.h>

void main()

{

char n[]="stumped",*t;

char *p="123";

clrscr();

t=malloc(strlen(p)+1);

strcpy(t,n);

printf("%s",t);

getch();

}

(a). stu

(b). stum

(c). stump

(d). stumped

(e). error


#include <stdio.h>

void main()

{

int a=0,b,x,y;

b=~0;x=-1;y=-0;

clrscr();

if(b==x) printf(" 1 ");

else

printf(" 2 ");

if(b==y) printf(" 3 ");

else

printf(" 4 ");

getch();

}

(a). 1,4

(b). 2,4

(c). 1,3

(d). 2,3


#include <stdio.h>

struct x

{

int x:8;

float y;

char d;

}sx;

struct y

{

int x:9;

float y;

char d;

}sy;

void main()

{

clrscr();

printf("%d",sizeof(sx));

printf(",%d",sizeof(sy));

getch();

}

(a). 7,8

(b). 13,14

(c). 6,7

(d). 7,7


#include <stdio.h>

void main()

{

char *p="a";

int j=100+p; //L-2

int k=100/p; //L-3

int l=100*p; //L-4

int m=100-p; //L-5

}

(a). Error at L-2,L-3

(b). Error at L-3,L-4

(c). Error at L-2,L-3,L-4,L-5

(d). Error at L-2,L-3,L-5

(e). Error at L-3,L-4,L-5

(f). Error at L-3,L-4


#include <stdio.h>

void main()

{

char *s;

int l;

clrscr();

s=(char *)malloc(20);

s="techcampus";

l=strlen(s);

printf("%d",l);

getch();

}

(a). Error

(b). 10

(c). 20


#include <stdio.h>

void main()

{

struct n{int num;char name[15];};

struct n x[]={{16,"face"},{10,"sati"},{9,"fire"}};

clrscr();

printf("%d,%d",x[1].num,(*(x+1)).num+1);

getch();

}

(a).10,9

(b).10,10

(c).error

(d).10,11


#include <stdio.h>

#define product(n1,n2) n1*n2

void main()

{

int a,b,c;

a=b=2;

clrscr();

c=product(a+2,b+1);

printf("%d",c);

getch();

}

(a). 7

(b). 12

(c). Error : Lvalue required


#include <stdio.h>

void main()

{

int a=5,b=5,c=6,res;

clrscr();

res=(a>b)?(a>c):(c>b)?b:(a>b)?(a>c):(c>b)?b:c;

printf("%d",res);

getch();

}

(a). Error

(b). 5

(c). 6

(d). 0

(e). 1


#include <stdio.h>

void main()

{

int box[200];

clrscr();

printf("%d",*(box-(*box+20)));

getch();

}

(a). Error

(b). Garbage value

(c). 0


#include <stdio.h>

void main()

{

static int x=1;

int res=0;

clrscr();

do

{

res=(1/x);

printf("%d ",res);

}while(0<x--);

getch();

}

(a). Endless loop

(b). Divide by zero error

(c). 1 Divide by zero error


void main()

{

int x=10,y=200;

x=--y;

x+=y;

+y-=--x;

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

getch( );

}

(a). 209,-7

(b). 397,-198

(c). 397,596

(d). 3977,596

(e). 397,198


main()

{

char a[]="dass";

char b[]="das";

clrscr();

printf("%s,%s",a,b);

printf(",%x,",sizeof(a),sizeof(b));

return 0;

}

(a). dass,das,5,4

(b). dass,das,4,3

(c). dass,das,5,

(d). dass,das,%x,

(e). error


void main()

{

char c[5];

*c=1;

*c[1]='b';

printf("%d",&c[1]-c);

printf("%c",&c[1]-c);

}

(a). error : Invalid indirection

(b). garbage value

(c). 1,b

(d). 1,garbage value


# include<stdio.h>

void main()

{

FILE *fp;

fp=fopen("DATA.DAT","w");

fprintf(fp,"hai\n");

fclose(fp);

fp=fopen("DATA.DAT","w");

fprintf(fp,"bye\n");

fclose(fp);

}

(a). hai

(b). haibye

(c). bye

(d). hai

bye


main()

{

int x,y;

clrscr();

x=9;y=8;

if(x++,y++)

printf("%d,%d",x+y,y);

return 0;

}

(a). 17,8

(b). 17,9

(c). 18,8

(d). 18,9

(e). 19,8

(f). 19,9


void main()

{

int a=-1;

clrscr();

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

printf(",%u",main());

//return 0;

}

(a). infinite loop

(b). error

(c). -1,-1,1

(d). 1,1,1


int main()

{

enum { north=-9,south,east=0x3,west};

clrscr();

printf("north=%d,east=%d,west=%d,south=%d",

north, east, west, south);

return 0;

}

(a). north=-9,east=3,west=1,south=0

(b). north=-9,east=3,west=2,south=1

(c). north=-9,east=3,west=0,south=0

(d). north=-9,east=3,west=4,south=-8


# include<stdio.h>

main()

{

char name[10]="brown",*s="\0";

*name=NULL;

clrscr();

if(name!=0 && s==NULL)

printf("hai");

else

printf("bye");

return 0;

}

(a). hai

(b). bye

(c). junk values

(d). error0


void main()

{

int x=10,y=20;

clrscr();

if(x&0x31)

printf("1");

else

printf("0");

}

(a). 1

(b). 0

(c). error

(d). empty screen


#define limit 5

main()

{

int a,b;

int *x,*y;

a = 5 ; b = -9;

x=a+(--b);

y=(-limit);

//x=x+y;

clrscr();


return 0;

}

(a). 13,-5

(b). 14,-5

(c). -5,-5

(d). - 5,-5


main()

{

int x,y;

char d='';

x=3;y=9;

printf("%d",x+++y);

printf(",%d",sizeof(d));

printf(",%d",sizeof(""));

return 0;

}

(a). 13,1,1

(b). 13,0,0

(c). 13,1,0

(d). 13,0,1

(e). error


main()

{

char name[]={"hai"};

clrscr();

printf("%s",name[0]);

return 0;

}

(a). hai

(b). junk values

(c). error

(d). h


void main()

{

char a[10],b[10],c[10],d[10];

clrscr( );

// input 1 2 3 4

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

printf(",%s%s%s",a,b,c);

getch( );

}

(a). 3,123

(b). 3,1234

(c). 4,1234

(d). 4,123

75. What is the output of the given program?

void main()

{

char *x="hai";

char *y="hai friends";

while(*x= *y)

{

printf("%c,%c",*x,*y);

printf(",%s,%s",*x,*y);

}

}

(a). h,h,hai,hai friends

(b). infinite loop

(c). garbage value

(d). pointer error


main()

{

char buf[]="daylight",temp;

int x,y;

clrscr();

for(x=0;y=strlen(buf),x<y;x++)

printf("hai,");

printf("%s",buf);

return 0;

}

(a). hai,hai,hai,hai,hai,hai,hai,hai,daylight

(b). hai,hai,hai,hai,hai,hai,hai,daylight

(c). hai,hai,hai,hai,hai,hai,daylight

(d). error in loop syntax


int main()

{

int x,y;y=20;

clrscr();

for(x=10;x<16;x++)

{

if(y&(0x8000>>x))

printf("1,");

else

printf("2,");

}

return 0;

}

(a). 2,1,1,1,2,2,

(b). 2,2,2,1,2,2,

(c). 2,1,2,1,2,2,

(d). 2,2,2,1,1,2


#define add(n,m) n+m

#define div(x,y) x/y

main()

{

int j;

clrscr();

j=2*add(6,div(4,2));

printf("%d",j);

return 0;

}

(a). 16

(b). 15

(c). 14

(d). 13

(e). 12


int main()

{

int array[]={ 5,6,7,8 };

int *handle = array;

clrscr();

*(array+3) = *++handle + *handle++;

printf("%d,%d,%d,%d",array[0],array[1],array[2],array[3])

;

return 0;

}

(a). 5,6,7,12

(b). 5,6,7,11

(c). 4,5,7,12

(d). 5,6,6,12


int main()

{

int y=-1,x=0;

clrscr();

while(y)

{

y&=y-1;

x++;

}


return 0;

}

(a). 16,0

(b). 15,0

(c). 1,1

(d). 0,0

(e). 1,0

(f). 0,1


int main()

{

int x=2;

x=(x%2);

x=!x;

x&1!=1;

x=!x;

clrscr( );

printf("%d",x);

return 0;

}

(a). 0

(b). 1

(c). 2

(d). 3


main()

{

int a=1,b=2,c=3,*ht;

ht=&b;

a=b/ht;

c=b;

clrscr();

printf("a=%d,b=%d",a,c);

return 0;

}

(a). a=1,b=1

(b). a=1,b=0

(c). a=0,b=0

(d). error


int main()

{

int x=3;

clrscr();

while(x--);

{

int x=4;

x--;

printf("%d",x);

}

return 0;

}

(a). 4321

(b). 3210

(c). 321

(d). 3


int main()

{

char buf[]={'a','b','c','d','e'};

int box[]={1,2,3,4,5,6};

clrscr();

printf("%c,%d",(&buf[2],buf[0]),(&box[1]-&box[0]));

return 0;

}

(a). a,2

(b). a,1

(c). b,1

(d). b,2

(e). error


int main()

{

char b[20]={1,2,3,4,5};

int x;

for(x=0;x<5;x++)

{

b[x]=x+'a';

}

clrscr();

printf("%s",b);

return 0;

}

(a). 12345

(b). abcde

(c). a2345

(d). error


#define m(x,y) x<y?x:y

main()

{

int i=0,c[10],*p,a=1;

p=(int*)a;

while(m(p++,&c[8]<c[7]))

i=5;

clrscr();

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

return 0;

}

(a). infinite loop

(b). i=5

(c). i=5i=5i=5

(d). i=5i=5i=5i=5

(e). error


int main()

{

int *i=10,*j=20;

i=(int*)((int)i*(int)j);

i=(int)i*(int)j;

clrscr();

printf("%d",i);

return 0;

}

(a). 200

(b). 2000

(c). 4000

(d). error: Illegal use of pointers


int main()

{

char buf[]="hai leaders";

int x,*hle,i;

hle=(int*) buf;

clrscr();

for(i=2;*hle;i++)

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

return 0;

}

(a). i leaders

(b). ai leadres

(c). hilaes

(d). leaders


int main()

{

char *c[]={"kill","you","good","guy"};

char **sc[]={c+3,c+2,c+1,c};

char ***scc=sc;

clrscr();

printf("%s",<**--*++scc+3);

printf("%s",*scc[-2]+3);

printf("%s",scc[-1][-1]+1);

return 0;

}

(a). illegal initialization

(b). garbage values

(c). error in printf statement

(d). empty screen


int main()

{

char *c;

int *i;

c=(char*)0x99;

i=(int *)c;

i++;

c++;

clrscr();

printf("c=%x,i=%x",c,i);

return 0;

}

(a). c=9a,i=9b

(b). c=0x99,i=99

(c). c=0x99,i=0x99

(d). error

(e). c=0x99,a=garbage value


# include<conio.h>

# include<stdio.h>

int foo(int a)

{

return (a<<(a%2)&a);

}

int main()

{

int result;

clrscr();

result = foo(7);

printf("%d",result);

return 0;

}

(a). 3

(b). 6

(c). 1

(d). 0


# include<stdio.h>

# include<conio.h>

int val = 10;

int foo(int sv)

{

int val = sv/3;

return val;

}

int main()

{

val = 10;

clrscr();

printf("%d",foo(20));

return 0;

}

(a). 6

(b). 2

(c). 10

(d). 0


# include<stdio.h>

int main()

{

struct y

{

int i;

char c;

FILE *u;

}x;

clrscr();

printf("%d,",sizeof(FILE));

printf("%d",sizeof(x.u));

return 0;

}

(a). 2,2

(b). 1,2

(c). 16,2

(d). 4,2


int main()

{

char message = {'h','o','w','n','i','c','e','?'};

clrscr();

printf("age = %s",message);

return 0;

}

(a). age = junkvalue

(b). age = hownice?

(c). age = h

(d). error


main(int a, static char *b[])

{

clrscr();

printf("%d,%d",a,b[1]);

return 0;

}

(a). 1,0

(b). 0,1

(c). error

(d). junk values


int main()

{

clrscr();

f1();

f2();

}

int x=5;

f1( )

{

printf("x1 = %d,",x);

};

f2( ){

printf("x2 = %d",x);

};

(a). x1 = 5,x2= 5

(b). x1 = 5,x2 = garbage value

(c). run time error

(d). compilation error

97. Will the below program compile?

#include<stdio.h>

#include<conio.h>

short main[]={0x1075,012,6,3281689321,-10,120,'d',-

56789,9187};

(a). compilation error

(b). runtime error

(c). not possible declaration of main


main(int t,int a)

{

int x,y;

char *c,**s;

return!

//0<t?t<3?;

main(-79, main(18,main(-8,12)));

main(t+1,a);

main(-94,a);

return 0;

}

(a). Infiite loop

(b). compilation error

(c). runtime error


int main()

{

#include<stdio.h>

#include<conio.h>

clrscr( );

printf("excellent clear");

return 0;;

}

(a). include is not allowed inside main()

(b). excellent clear

(c). garbage value

(d). empty screen


int main()

{

#include<stdio.h>

#include<conio.h>

char *_[20] = {"typical program"};

clrscr( );

*_=(char *)malloc(100);

printf("%s",*_);

printf("%s",_);

return 0;

}

(a). include is not allowed inside main()

(b). Illegal declaration of *_

(c). garbage value

(d). typical program

100 c objectives

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