Test No: 1 Date:
19-08-2011 Max.Marks:25 M Topic:Arrays
Note: Proper
required header files are included
Program is
compiled using Turbo C/C++ compiler
Program run
under Windows environment
Predict the output (or) errors for the
following?
- main( ) [ ]
{
static char arr[ ]=”University”;
printf(“%d”, *(arr + strlen(arr)));
}
a. compiler error b.
linker error c. logical
error d. 0
e. 1 f.
2 g. none
2.
main( ) [
]
{
char arr[ ]=”hello\0\0\0\0\0”;
char arr1[ ]=”hello\n\n\n\n\n”;
clrscr( );
printf(“%d\t%d\n”,sizeof(arr),strlen(arr));
printf(“%d\t%d\n”,sizeof(arr1),strlen(arr1));
}
a. 11 5 b. 10 6 c.
11 5 d.
none
11 10 11 11 10 10
3. main( ) [
]
{
char str[4]=”VITS”;
printf(“%s”,str);
}
a. VITS b.
compiler error c. runtime error d. none
4. main( ) [
]
{
int arr[6]={12,13};
printf(“\n%d %d %d”,a[2],a[3],a[4]);
}
a. Garbage values b.
0 c. 0 0 d. 0 0 0 e.
none
5. main( ) [
]
{
printf(“%d %d”,sizeof(‘A’),sizeof(“A”));
}
a. 2 2 b. 1
1 c. 1 2 d.
none
6.
main( ) [
]
{
printf(“Hello Readers!” + 6);
}
a. compiler error b.
linker error c. Hello
Readers! d. Readers!
7. main( ) [
]
{
putchar(“Hello Readers!”[6]);
putchar(6[“Hello Readers!”]);
}
a. RR b.
oo c. Twice white space
character d. none
8.
main( ) [
]
{
char str1[ ]=”Strings!”;
char str2[ ]=”Strings!”;
if(str1= = str2)
{
printf(“Strings are
same”);
}
else
{
printf(“Strings are
different”);
}
}
a. Strings are same b.
compiler error c. Strings are
different d. none
9.
The ASCII
code of the null character is [ ]
a. 32 b.
27 c. 13 d. none
10. main( ) [
]
{
int arr[ ]={1,2,3};
arr[ 0,1,2]=10;
printf(“%d %d
%d”,arr[0],arr[1],arr[2]);
}
a. compiler error
b. runtime error c. 1 2 3 d. 1 2 10
11. main( ) [
]
{
int arr[ 3] ={1,2,3};
printf(“%d %d %d”,arr[1],arr[2],arr[3]);
}
a. 1 2 3 b.
compiler error c. 1 2 0 d. 1 2
garbage value
e. 2 3 garbage value
12. main( ) [ ]
{
int
i;
int arr[ ]={1,2,3,4,5};
arr[
1+2 ]=10;
for(i=0;i<5;i++)
{
printf(“%d
”,arr[ i ]);
}
}
a. 1 2 3 4 5 b.
compiler error c. 1 2 3 10 5 d. none
13. main( ) [
]
{
int arr[6]={1,2,3,4};
int i;
for(i=0;i<6;i++)
{
printf(“%d “,arr[i]);
}
}
a. 1 2 3 4 b.
1 2 3 4 garbage values c. compiler
error d. none
14. main( ) [
]
{
int a[ ]={1,2,3,4,5};
printf(“%d %d %d %d
%d”,*a,*(a+0),*(0+a),a[0],0[a]);
}
a. 1 2 3 4 5 b.
compiler error c. 1 1 1 1 1 d. none
15. main( ) [
]
{
int a[2][3]={1,2,3,4};
printf(“%d %d %d %d %d %d
“,a[0][0],a[0][1],a[0][2],a[1][0],a[1][1],a[1][2]);
}
a.1 2 3 4
garbage values b. 1 2 3 4 -1 -1 c. 1 2 3 4 0 0 d. 1 2 0 3 4 0
e. none
16. main( ) [ ]
{
int a[2][3]={1,2}{3,4};
printf(“%d %d %d %d %d %d
“,a[0][0],a[0][1],a[0][2],a[1][0],a[1][1],a[1][2]);
}
a.1 2 3 4
garbage values b. 1 2 3 4 -1 -1 c. 1 2 3 4 0 0 d. 1 2 0 3 4 0
e. none
17. main( ) [ ]
{
int a[ ][ ]={1,2,3,4};
printf(“%d %d %d %d %d %d
“,a[0][0],a[0][1],a[0][2],a[1][0],a[1][1],a[1][2]);
}
a.1 2 3 4
garbage values b. 1 2 3 4 -1 -1 c. 1 2 3 4 0 0 d.1 2 0 3 4 0
e. compiler
error f. none
18. main( ) [ ]
{
int a[ ][3]={1,2,3,4};
printf(“%d %d %d %d %d %d
“,a[0][0],a[0][1],a[0][2],a[1][0],a[1][1],a[1][2]);
}
a.1 2 3 4
garbage values b. 1 2 3 4 -1 -1 c. 1 2 3 4 0 0 d. 1 2 0 3 4 0
e. compiler
error f. none
19. In C language, elements of two-dimensional arrays are stored on [ ]
a.
Random order b. Row major order c. Column major order
d.
none
20. In FORTRAN language, elements of two-dimensional arrays are stored on [ ]
a.
Random order b. Row major order c. Column major order
d.
none
21. Write a program in C for swapping of two numbers in a single statement [ i.e Method ] with out Using a comma operator
Key for above Questions:-
1.D
2.A 3.B 4.D 5.C 6.D 7.A 8.C 9.D 10.D
11.E
12.C 13.D 14.C
15.C 16.D 17.E
18.C 19.B 20.C
21. Method:
a = (a + b) – (b = a) (or) b = (a – b) + (a = b)
