| | | | | | MCQ Tutorial - C->C Basics | | | | | | 6.) Which of the following is not a valid variable name declaration?
| | | | Options are: | | | A.) int a3_;
| | | B.) int _a3;
| | | C.) int a_3;
| | | D.) int 3_a;
| | | | Correct Option: D | | | | | | | | | | 7.) C99 standard guarantess uniqueness of _____ characters for external names
| | | | Options are: | | | A.) 30
| | | B.) 32
| | | C.) 29
| | | D.) 31
| | | | Correct Option: D | | | | | | | | | | 8.) C99 standard guarantees uniqueness of ____ characters for internal names
| | | | Options are: | | | A.) 31
| | | B.) 63
| | | C.) 64
| | | D.) 32
| | | | Correct Option: B | | | | | | | | | | | 9.) What is the out put of following C code:
#include
int main()
{
int a[5] = {1, 2, 3, 4, 5};
int i;
for (i = 0; i < 5; i++)
if ((char)a[i] == '5')
printf("%d
", a[i]);
else
printf("FAIL
");
}
| | | | Options are: | | | A.) Program will compile and print the output 5
| | | B.) Program will compile and print the ASCII value of 5
| | | C.) The compiler will flag an error
| | | D.) Program will compile and print FAIL for 5 times
| | | | Correct Option: A | | | | | | | | | | 10.) The format identifier '%i' is also used for _____ data type?
| | | | Options are: | | | A.) double
| | | B.) float
| | | C.) int
| | | D.) char
| | | | Correct Option: C | | | | | | | | |
| | | | | |