C Language MCQ - English
Which of the following is not a valid variable name declaration?
int _a3;
int a_3;
int 3_a;
int _3a
Answer : C
View More Related Question
1) Which of the following is true for variable names in C?
They can contain alphanumeric characters as well as special characters
It is not an error to declare a variable to be one of the keywords(like goto, static)
Variable names cannot start with a digit
Variable can be of any length
View Answer
2) All keywords in C are in
3) Variable names beginning with underscore is not encouraged. Why?
It is not standardized
To avoid conflicts since assemblers and loaders use such names
To avoid conflicts since library routines use such names
To avoid conflicts with environment variables of an operating system
View Answer
4) Variable name resolving (number of significant characters for uniqueness of variable) depends on
Compiler and linker implementations
Assemblers and loaders implementations
C language
None
View Answer
5) Which of the following is not a valid variable name declaration?
