1. void main()
{
char s[ ]="man";
int i;
for(i=0;s[ i ];i++)
printf("\n %c", i[s] );
}//What is o/p?
(A)man (B) nam
(C)mmm (D)compilation error
2. main( ){
static int var = 5;
if(--var)
main();
printf("%d ",var++);
}//What is o/p?
A)0 1 2 3 4 B)1 2 3 4 5
C) compile error D)0 0 0 0 0
3. main() {
printf("\rbba");
printf("\baab");
printf("\raa");
}//What is o/p?
A) aa B)aaaab
C)aabab D)bbaaa
4. void main()
{
char str[] = "Hello World";
display(str);
}
void display(char *string)
{
printf("%s",string);
}//What is o/p?
(A)Hello World (B) Hello
(C)H (D)Compilation Error
5. void main()
{
int a[3][2][2] = { {1,2,3,4}, {5,6,7,8},{9,10,11,12} };
int *p,*q;
p=&a[3][2][2];
*q=***a;
printf("%d-%d",*p,*q);
}//What is o/p?
(A)12-1 (C)9-1
(C)1-12 (D)None of these
6. #define f(a,b) a/b
void main() {
int x=5,y=6;
printf("\n%d",f(x*6,y*x));
}//What is o/p?
(A)1 (B)25
(C)30 (D)None of these
7. void main( ) {
char *ch="Computer ";
while(*ch!='\0') {
++*ch;
printf("%c ",*ch); ch ++; }
}//What is o/p?
(A)Dpnqvufs (B)Donpvtfr
(C)Cpmquues (D)None of these
8. void main( ) {
static char names[5][7]={"pascal","java","cobol","fortran","perl"};
int i;
char *ch;
ch=names[3];
names[3]=names[4];
names[4]=ch;
printf("%s",names[4]);
}
(A)Compilation Error : Array index out of Bound
(B)Compilation Error: char Array is constant Pointer
(C)fortran
(D)perl
9. void main( ) {
int x=10,y=10,*p1,*p2,k;
p1=&x;
p2=&y;
k=5 + *p1 /*p2;
printf(“%d”,k);
}
A)6 B)5 c)Compile Error d)None of these
10. main( ) {
char *q;
int j;
for (j=0; j<3; j++) scanf(“%s” ,(q+j));
printf(“%s” ,(q));
}//Input are:ASPIRE,JAVA,OCJP
(A)AJOCJP (B)ASPIRE
(C)OCJP (D)None of these
11. void main ( ) {
static char *ch[ ] = {"black", "white", "yellow", "violet"};
char **ptr[ ] = {ch+3, ch+2, ch+1, ch}, ***p;
p = ptr;
**++p;
printf(" %s",(*--*--p + 4));
}
(A)ow (B)et
(B)k (D)e
12. f2(a,b)
int a;
float b; {
return( a = !(a==b) );
}
void main() {
int p1(), f2();
printf("The value is %d \n ",p1(f2,6,6.0));
}
p1(f2,val1,val2)
int (*f2) ();
int val1;
float val2;
{
return((*f2) (val1,val2));
}
(A) The value is 0 (B) The value is 1
(C) The value is 0.0 (D)Compilation Error
13. f(int n) {
If(n>0) return (n + f(n-1));
}
void main() {
printf(“%d”,f(10));
}
(A)55 (B)110
(C)45 (D)compilation error
14. void main() {
Char *ch = “hello”;
printf(ch);
}
(A) hello (B) compilation error
(C)run time error (D) None of these
15. void main(){
int x=1,y=0;
if (++x > 2)
if(++y<5)
y=100;
else
x=100;
printf(“ %d %d”, x,y);
}
A)100 0 B)100 100 C)100 2 D)None of these
16. what is the output of following?
void main(){ printf("%d",1||2); }
a. error b .1 c. 3 d. None of these
17. What is the output of following ?
void main(){
int i=100, j=200 , k=300;
printf("%d ,%d" ) ; }
a. 200,300 b. 300,200 c. 100,200 d .error
18.What is the output of following ?
abc(int i){
printf("%d",i); }
void main(){
abc((200,100)); }
a. 200 b . 100 c . compile time error d. run time error
19.What is the output of following ?
void main() {
abc() ; }
abc(){
printf("Hello");}
a. error of no prototype b. warning c . Hello d. Both b & c
20. What is the output of following code ?
void main(){
printf("ab\b"); printf("ab\r"); printf("a"); }
a. aaa b. abb c. aba d.None
21.What is the output of following code ?
void main(){
int far *p,*q;
int c;
c=sizeof(p)*sizeof(q)*sizeof(4); printf("%d",c);}
a. 4 b. 32 c. 8 d. 16
22.What is output ?
void main(){
int i=5;
printf("%d",(i++ + ++i) || (++i + ++i));
printf(" %d",i);}
a. 1 9 b. 1 6 c. 1 7 d. compiler dependent
23.What is the output?
#define fun(x,y) (x##y)
void main(){int i
;i=fun(200+5,5+200);
printf("%d",i); }
a. run time error b. 1 c. 455 d. 205205
24.What is output ?
void main (){int x ; printf("%d",x=10);}
a. Error b. 10 c. 1 d. garbage value
25.What is the output ?
void main()
{ int a,b=0;
if( a=b=0 )
printf (" Hello ");
else
printf ("World"); }
a. Hello b. World c. compile error d. Runtime error
26.Waht is the output ?
void main(){
int i,j,k;
printf("%d",printf("%d",scanf("%d", &j)*scanf("%d",&i))); }// input is i=10 j=10
a. 100 b. 11 c. 1 d. 0
27-What is output of following ?
void main(){
static int i;
for( ; i++ ; printf("%d ", i) );
printf("%d",i); }
a. infinite loop b. error c. 0 d. 1
28-int testarray [3] [2] [2] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
What value does testarray [2][1][0] in the sample code above contain?
a. 3 b. 5 c. 7 d. 11
29-void myFunc (int x) {
if (x > 0)
myFunc(--x);
printf("%d, ", x); }
int main() { myFunc(5); return 0; }
What will the above sample code produce when executed?
a. 1, 2, 3, 4, 5, 5, b. 4, 3, 2, 1, 0, 0 c. 5, 4, 3, 2, 1, 0, d. 0, 0, 1, 2, 3, 4,
30-11 ^ 5
What does the operation shown above produce?
a. 1 b. error c. 5th power of 11 d. 14
31-What is the output of following
#define man(x,y) x>y?x:y;
void main(){
int i=10 , j ,k;j=5;k=0;
k=man ( i++ , ++j );
printf("%d %d %d",i,j,k);}
a. 12 6 11 b. 11 6 10 c. 11 6 11 d. 12 6 10
32-What is the output of following ?
#define mess junk
void main(){ printf("mess"); }
a. mess b. junk c. meshjunk d. error that mess cant be used in printf
33-Wha is the output of following ?
void main() { int g=300*300/300; printf("%d",g); }
a. 300 b. 81 c. error d. 1
34-#define square(x) x*x
void main(){ int i=10, j=5 ,k=0; k=square(i-j); printf("%d",k); }
a. 25 b. 45 c. 75 d. 0
35-What is the output of following?
void main(){ int i=024; printf("%d",i); }
a. 24 b. 024 c. 20 d. None
33-What is the output of following ?
void main(){
char *p; p="He"LL"o"; printf("%s",p); }
a. he"LL"o b. HeLLo c. error d. He
34-What is output ?
abc(){
int a;
if(1>0)
return 1;
a=100;
a++;
return ++a;}
void main(){
int i ; i=abc(); printf("%d",i);}
a. 1 & 1 warning b. 1 & 2 warning c. 1 & 3 warning d. 111
35- What is the output ?
abc(int i){ return i; }
void main(){
int i; i=abc(printf("Hello World")); printf("%d",i); }
a. 11 b. error c. 12 d. None
//36-What is the output ?
void main(){
char far* near* str; printf("%d",sizeof(str)); }
a. 2 b. 4 c. error d. 1
37-What is the output ?
void main(){
const int i; int k=10; i=100; k=++k + i; printf("%d",k); }
a. 111 b. error c. 112 d. None
38-What is the output ?
#define printifless(x,y) if(x<y) printf("%d",x)
void main(){
int i=2,k=1;
if(i>0 && k>0)
printifless(i,k);
else
printf("A"); }
a. A b. nothing c. error d. 2
39-What is the output ?
void main(){
int a=10,b=20,c=30,d=40;
if(a,b,c,d)
printf("Hello"); }
a. Hello b. error c. warning d. Hello10203040
40-What is the output?
main(){
int i=100,j=10,k;
int *p=&j; k=i/*p;
printf("%d",k);}
a. 10 b. error c. warning d. 1
41-What is the output?
main(){
extern int i ; i=20; printf("%d",i);}
a. compile error b. runtime error c. linker error d. 20
42-What is the output ?
main(){
int i=-1 ,j=-1,k=0,l=2,m;
m=i++ && j++ && k++ || l++;
printf("%d %d %d %d %d",i,j,k,l,m);}
a. error b. 0 0 1 3 1 c. 0 0 1 3 2 d. warning
43- main(){
static int i;
switch(i) {
default:printf("garbage");
case 0: printf("Zero"); break;
case 1:printf("one"); break;
case 2: printf("two"); break; } }
a. error b. zero c. garbage zero d. zero grabage
44-What is output ?
main(){
printf("%x",-1<<4);}
a. ff00 b. ffff c. 240 d. None
//45-What is output ?
main(){int i=5; printf("%d%d%d%d%d",i++,i--,++i,--i,i); }
a. 54554 b. 45545 c. 54454 d. 45445
46-.What is the output ?
#define square(x) x*x
main(){
int i;
i = 64/square(4);
printf("%d",i);}
a. 16 b. 64 c. 4 d. error
47-Size of structure can be determined by
1-sizeof(variablename) 2-sizeof(struct tag)
a. only 1 b. only 2 c. both 1 & 2 d. none
48-What is the output ?
main(){
printf("%p",main);}
a. some address b. undefined symbol error c. 0xfa d. None
49-#define int char
main(){
int i=65;
printf("%d",sizeof(i));}
a. error b. 1 c. 2 d. 0
50-What is the output ?
main(){
char string[]="Hello World";
display(string);}
void display(char *string){
printf("%s",string);}
a. "Hello World" b. Hellow World c. error d. warning & Hello World
3. main( ) {
float c[]={1,2.2,3.2};
float i,*p=c,*q=c;
for( i =0; i<3;i++,*q++;)
printf("%2.1f ",*c);
for(i=0 ; i<3 ; i++,(*p)++)
printf("%2.1f ",*p);
}//What is o/p?
A)1.0 2.2 3.2 1.0 2.2 3.2 B)1.0 1.0 1.0 1.0 2.2 3.2
C)1 2 3 1 2 3 D)1 1 1 1 2 3
14. void main() {
void f1();
void f2();
f1();
}
void f1() {
f2();
printf(“in f1”);
}
void f2() {
printf(“in f2”);
}//what is o/p?
(A) Compilation Error (B)in f2
(C) in f2in f1 (D)None of these
16. void main() {
char *p; int *q; long *r;
p=q=r=0;
p++; q++; r++;
printf("%p...%p...%p",p,q++,r++);
}
A)0001...0004...0008 B)0001...0002...0004
C)0001...0002...0002 D)0002...0004...0008
17-What is a difference between a declaration and a definition of a variable?
a. Both can occur multiple times, but a declaration must occur first.
b. A definition occurs once, but a declaration may occur many times.
c. A declaration occurs once, but a definition may occur many times.
d. Both can occur multiple times, but a definition must occur first.
28-What is the output ?
void main() { char *s="\12345s\n"; printf("%d",sizeof(s)) }
a. 7 b. 6 c. 8 d. 5
