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Conversions: Infix, Prefix, and Postfix

Authored by PANKAJ KUNEKAR

Professional Development

Professional Development

Used 22+ times

Conversions: Infix, Prefix, and Postfix
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between infix and prefix notation?

The main difference is the placement of operators: infix has operators between operands, prefix has operators before operands.

Infix notation has operators after operands, while prefix has them before.

Infix notation is used only in programming languages, while prefix is used in mathematics.

Prefix notation requires parentheses around all expressions, unlike infix.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the infix expression A + B to prefix notation.

A + B

+ B A

B + A

+ A B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the infix expression A + B to postfix notation.

A B +

+ A B

A + B

B A +

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the order of operations in infix expressions?

Parentheses, Exponents, Multiplication/Division, Addition/Subtraction

Multiplication, Division, Parentheses, Exponents

Addition, Subtraction, Multiplication/Division, Exponents

Exponents, Parentheses, Addition/Subtraction, Multiplication/Division

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you handle parentheses in infix to prefix conversion?

Convert directly to prefix without reversing

Reverse the expression, swap parentheses, convert to postfix, then reverse to get prefix.

Reverse the expression and leave parentheses unchanged

Only swap parentheses without converting to postfix

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the stack in infix to postfix conversion?

The stack stores operands for quick access during conversion.

The stack is used to hold the final postfix expression directly.

The stack manages operators and ensures correct order of precedence in infix to postfix conversion.

The stack eliminates the need for operator precedence in the conversion process.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the infix expression (A - B) * C to prefix notation.

- A * B C

* - A B C

C * - A B

* C - A B

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