Non-associative operators are those that.

Which can be used with the do statement?

Which character denote a comment in Perl?

Which variable contexts do not care what the return value is?

Which control structure can be used to execute only when a condition is false?

What does PrintRet do?

What is the following code an example of? $hitCounter=sub {print 'This page has been called $hits times';};

What does the switch syntax :f do?

How many times does the do statement allow you to execute the block of statements in a loop?

Which file function gets the file descriptor of a file handle?

What does the ord string function do?