MCQs
Total Questions : 16
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Answer: Option A. -> Volatile
volatile is C keyword.
Answer: Option B. -> 63
ISO C99 compiler may consider only first 63 characters for internal.
Answer: Option D. -> None of the mentioned.
None.
Answer: Option A. -> 31
ISO C99 compiler may consider only first 31 characters for external
variables having 31 characters due to which it may not be unique.
Answer: Option C. -> int 3_a;
Variable name cannot start with a digit.
Answer: Option C. -> To avoid conflicts since library routines use such names
None.
Answer: Option A. -> Lower Case letters
None.
Answer: Option D. -> int $main;
Since only underscore and no other special character is allowed in a variable name, it results in an error.
Answer: Option C. -> Variable names cannot start with a digit.
According to the syntax for C variable name, it cannot start with a digit.
Answer: Option A. -> Compiler and linker implementations
It depends on the standard to which compiler and linkers are adhering to.