C - Sample Questions

What will be the data type of the result of the following operation? (float)a * (int)b / (long)c * (double)d

What will be the output of the following C code considering the size of a short int is 2, char is 1 and int is 4 bytes? #include <stdio.h> int main() { short int i = 20; char c = 97; printf("%d, %d, %dn", sizeof(i), sizeof(c), sizeof(c + i)); return 0; }

What will be the output of the following C code? #include <stdio.h> int main() { unsigned int i = 23; signed char c = -23; if (i > c) printf("Yes\n"); else if (i < c) printf("No\n"); }

Why do variable names beginning with the underscore is not encouraged?

C99 standard guarantees uniqueness of ___________ characters for external names

Which of the following is not a valid variable name declaration?

Select all the type casting that are accepted by C.

What will be the output of the following C code on a 64 bit machine? #include <stdio.h> union Sti { int nu; char m; }; int main() { union Sti s; printf("%d", sizeof(s)); return 0; }