C Programming Quiz

Which among the following is NOT a logical or relational operator?

• !=

• 0

• ||

• !=

Relational operators cannot be used on ____________

• structure

• long

• strings

• float

C99 standard guarantees uniqueness of __________ characters for internal names.

• 31

• 63

• 12

• 14

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

• int _a3;

• int a_3;

• int 3_a;

• int _3a

All keywords in C are in ____________

• LowerCase letters

• UpperCase letters

• CamelCase letters

• Sentence case letter

C99 standard guarantees uniqueness of ___________ characters for external names.

• 31

• 6

• 12

• 14

Variable name resolution (number of significant characters for the uniqueness of variable) depends on ___________

• Compiler and linker implementations

• Assemblers and loaders implementations

• C language

• PreProcessor

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

• int number;

• float rate;

• int variable_count;

• int $main;

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

• float PI = 3.14;

• double PI = 3.14;

• int PI = 3.14;

• #define PI 3.14;

What is the problem in the following variable declaration?

• The special character ‘-‘

• The special character ‘?’

• All of the mentioned