Question

Identify the type of expression where operators are placed before the corresponding operands:

• A. Polish expression
• B. Infix expression
• C. Postfix expression
• D. Reverse Polish expression

Hint:

Remember: Prefix = Polish, Postfix = Reverse Polish, Infix = standard notation.

Answer 1

The Correct Option is A

Step 1: Types of expressions.
- Infix: Operator between operands (A + B).
- Postfix (Reverse Polish): Operator after operands (A B +).
- Prefix (Polish): Operator before operands (+ A B).

Step 2: Match with question.
The question asks where operators are placed before operands. This is Prefix (Polish expression).
Final Answer: \[ \boxed{\text{Polish expression}} \]