C Language MCQ - English
Which of the following is not a valid C variable name?
Home | Discussion ForumWhich of the following is not a valid C variable name?
int number;
float rate;
int variable_count;
int $main;
Answer : D
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1) Variable name resolving (number of significant characters for uniqueness of variable) depends on
Compiler and linker implementations
Assemblers and loaders implementations
C language
None
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2) Which of the following is not a valid variable name declaration?
3) 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
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4) A constant cannot be used except:
For assigning initial value to a variable
With ++ operator
As a formal argument
On LHS of an assignment operator
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5) The declaration "unsigned u" indicates: