1. Which of the following go out of the loop if expn 2 becoming false A. while(expn 1){...if(expn 2)continue;} B. while(!expn 1){if(expn 2)continue;...} C. do{..if(expn 1)continue;..}while(expn 2); D. while(!expn 2){if(expn 1)continue;..}
2. Consider the following program main() { unsigned int i=10; while(i>=0) { printf("%u",i) i--; } } How many times the loop will get executed A.10 B.9 C.11 D. infinite
3. Pick out the odd one out A. malloc() B. calloc() C. free() D. realloc()
4. Consider the following program main() { int a[5]={1,3,6,7,0}; int *b; b=&a[2]; } The value of b[-1] is A. 1 B. 3 C. -6 D. none
5. # define prod(a,b)=a*b main() { int x=2; int y=3; printf("%d",prod(x+2,y-10)); } the output of the program is A. 8 B. 6 C. 7 D. None
6. Consider the following program segment int n, sum=1; switch(n) { case 2:sum=sum+2; case 3:sum*=2; break; default: sum=0; } If n=2, what is the value of sum A. 0 B. 6 C. 3 D. None of these
7. Identify the incorrect one 1.if(c=1) 2.if(c!=3) 3.if(a<b)then 4.if(c==1) A. 1 only B. 1&3 C. 3 only D. All of the above
8. The format specified for hexadecimal is A. %d B. %o C. %x D. %u
9. Find the output of the following program main() { int x=5, *p; p=&x printf("%d",++*p); } A. 5 B. 6 C. 0 D. none of these
10. Consider the following C code main() { int i=3,x; while(i>0) { x=func(i); i--; } int func(int n) { static sum=0; sum=sum+n; return(sum); } } The final value of x is A. 6 B. 8 C. 1 D. 3
11. Int *a[5] refers to A. array of pointers B. pointer to an array C. pointer to a pointer D. none of these
12. Which of the following statements is incorrect