Which of the following special symbols are allowed in a variable name?

int *a, b; What is b ?

Which is the correct operator to compare two integer variables?

which of these is not valid keyword?

Following is not a predefined variable type?

The end of a C statement is indicated by this character.

File input and output (I/O) in C is done through what?

Which is not a correct way to declare a string variable?

What does the strcmp(str1, str2); function return?

File input and output (I/O) in C is heavily based on the way it is done ___?

Compile time errors are static errors that can be found where in the code?