The correct answer is A. unary operator.
A unary operator is an operator that takes only one operand. The logical NOT operator, represented by !, is
A binary operator is an operator that takes two operands. Some examples of binary operators are addition (+), subtraction (-), multiplication (*),
/).
A ternary operator is an operator that takes three operands. The ternary operator is often used to represent conditional statements. The syntax for a ternary operator is condition ? true_value : false_value. If the condition is true, the true_value is returned; otherwise, the false_value is returned.
An octal operator is an operator that is used to represent octal numbers. Octal numbers are a base-8 number system. The digits in an octal number can be from 0 to 7.
None of the above is not a valid option.