Computer Skills Lab (IT0324)Test Paper-1 (C Quiz)
1. The C language has been developed by A. Patrick NaughtonB.
Ken Thompson C. Dennis RitchieD. Martin Richards
2. What will be output if you will execute following c
code?#includeint main () {int num, a=5;num= -a--;printf ( %d %d ,
num,a);return 0;}A. 5 4B. -4 4C. -5 4D. -4 5
3. What will be output if you will execute following c
code?main(){clrscr ();printf ( Result = %d,2==3 ? 4:5 );}A. 10B.
7C. 5D. 3
4. What will be output if you will execute following c
code?main(){int a,z,x=10, y=20;clrscr ();z=x*y++;a=x*y;printf (\n%d
%d,z,a);}A. 1020B. 1000 2000C. 200 210D. 2000 2100
5. What will be output if you will execute following C code?void
main (){int m,j=3,k;m=2*j/2;k=2*(j/2);clrscr ();printf (\n m=%d
k=%d,m,k);}A. m=3 k=2B. m=3 k=3C. m=2 k=3D. m=2 k=2
6. What will be the value of x after the execution of following
code?void main(){ int x=! 0*10;}A. 10B. 1C. 0D. None of these
7. What will be the value of k after the execution of following
code?void main(){int k=8;(k++-k++);}A. 10B. 0C. -1D. 9
8. What will be the value of b after the execution of following
code?void main(){
A. 11B. 12C. 7D. 9
9. What will be the output of the following code?void main(){int
y=65;clrscr ();printf(%c %d,y,y);return 0;}A. 65B. 97C. ErrorD.
-97
10. What will be the output of the following code?void
main(){int a=2; a=4:printf (%d,a);}A. 2B. 4C. 6D. 8
11. What will be the value of x after execution of the following
program?void main(){int x,*p;p=&x;*p=2;clrscr ();printf ( \n
Value of x=%d,x);}A. 0B. 2C. 65504D. None of these
12. What will be the value of variable a1 and a2 after
execution?void main() int
a1,a2,c=3,*pt;pt=&c;a1=3*(c+5);a2=3*(*pt+5);}A. 24 24B. 12 24C.
24 12D. None of these.
13. What will be the output of following code-main (){int a=20,
b=35;a=b++ +a++;b=++b + ++a;printf (%d%d\n,a,b);A. 5432B. 5794C.
2435D. 3456
14. What will be the output of following code-void main()char
arr= NETWORK;printf(%s, arr);
A. NetworkB. NC. Garbage ValueD. Complication Error
15. What will be the output of following code-void main()char
arr= THE AFRICAN QUEEN;printf(%s, arr);
A. THE AFRCIAN QUEENB. THE AFRICANC. ErrorD. None
16. What will be the output of following code-void main()const
int *p;int a=10;p=&a;printf(%d,*p);return 0;}A. 0B. 10C.
Garbage ValueD. Any memory address
17. What will be the output of following code-int main()int a=5
, b=10, c;int *p=&a , *q=&b;c=p-q;printf(%d,c);return 0;}A.
1B. 5C. -5D. Complication Error
18. What will be the output of following code-void main()int
a=2, b=7, c=10;c=a==b;printf(%d,c);return 0;}A. 1B. 0C. Garbage
valueD. Error
19. What will be the output of following code-void main()void
(*p)();int
(*q)();int(*r)();p=clrscr();q=getch();r=puts();(*p)();(*r)(cquestionbank.blogspot.com);(*q)();return
0;}A. NullB. Cquestionbank.blogspot.comC. CD. Error
20. What will be the output of following
code-Printf(%c,65);Printf(%d,65);A. 65B. 0C. 1D. Error
21. What will be the output of following code-void main(){int
a=5, b=6, c=11;clrscr();printf(%d %d %d);getch();}A. Garbage value
garbage value garbage valueB. 5 6 11C. 6 5 11D. Compiler error
22. What will be the output of following code-main(){int
i=3;switch(i);{Default:printf(zero);Case 1: printf(one)Break;Case
2: printf(two);Break;Case 3: printf(three);}}A. 0B. 1C. 2D. 3
23. void main()int i=320;Char *ptr=(char *)
&i;Printf(%d,*ptr);}A. 320B. 1C. 64D. Error
24. Which one Keyword used to calling function back again and
again? A. switchB. gotoC. go backD. return
25. #includemain (){int x,y = 10;x = y *
NULL;printf("%d",x);}What is the output of above code?A. errorB.
0C. 10D. garbage value
ANSWERS OF TEST PAPER 1
1. C2. C3. C4. C5. A6. A7. C8. A9. A10. B11. B12. A13. B14. C15.
D16. C17. A18. B19. B20. A21. C22. D23. C24. D25. B
Computer Skills Lab (IT0324)Test Paper-2 (C++ Quiz)
1. Which of the following statements is correct?A. Base class
pointer cannot point to derived class.B. Derived class pointer
cannot point to base class.C. Pointer to derived class cannot be
created.D. Pointer to base class cannot be created.
2. Which of the following concepts means determining at runtime
what method to invoke?A. Data hidingB. Dynamic TypingC. Dynamic
bindingD. Dynamic loading
3. Which of the following statements is correct? Once a
reference variable has been defined to refer to a particular
variable it can refer to any other variable. A reference is not a
constant pointer.A. Only 1 is correct.B. Only 2 is correct.C. Both
1 and 2 are correct.D. Both 1 and 2 are incorrect.
4. If a class C is derived from class B, which is derived from
class A, all through public inheritance, then a class C member
function can access.
A. Protected and public data only in C and B.B. Protected and
public data only in C.C. Private data in A and B.D. Protected data
in A and B.
5. To perform stream I/O with disk files in C++, you should
A. open and close files as in procedural languages.B. use
classes derived from ios.C. use C language library functions to
read and write data.D. include the IOSTREAM.H header file
6. What is the output of the following codechar
symbol[3]={a,b,c};for (int index=0; index100) cout
