Concept:QBASIC relational operators compare two values and return a logical result.
They include
<,
>,
=,
<>,
<=, and
>=.
Explanation:Option A:
< is the relational operator for “less than”.
Option B:
> is the relational operator for “greater than”.
Option D:
= is the relational operator for “equal to”.
Option C:
# is not a relational operator in QBASIC.
In QBASIC,
# is used as a type declaration character for double-precision numbers.
It does not compare two values.
Therefore, among the given options,
# is the symbol that is not a relational operator.
Answer:C.
#