Expression Evaluation Quiz

Expression Evaluation Quiz

University

20 Qs

quiz-placeholder

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Expression Evaluation Quiz

Expression Evaluation Quiz

Assessment

Quiz

Other

University

Hard

Created by

Sherly Escandor

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Given the infix expression: (5+3)∗2(5 + 3) * 2(5+3)∗2 Which of the following represents the correct prefix notation?

+ * 5 3 2

* + 5 3 2

* 5 + 3 2

+ 5 * 3 2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Convert the following infix expression to postfix notation: a+b∗ca + b * ca+b∗c

+ a * b c

a b c * +

a + b * c

a b + c *

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following expressions will evaluate in the same order as the infix expression 7−2+57 - 2 + 57−2+5, given left-to-right associativity for + and -?

(7 - 2) + 5

7 - (2 + 5)

(2 - 7) + 5

7 - 2 - 5

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If the infix expression is a∗(b+c)a * (b + c)a∗(b+c), which conversion is incorrect?

Prefix: * a + b c

Postfix: a b c + *

Prefix: + a * b c

Infix: a * (b + c)

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

You are tasked to design a calculator that reads postfix expressions. Which data structure is the most appropriate for parsing the expression?

Queue

Stack

Linked List

Tree

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Analyze the operator precedence in this expression: 3+4∗23 + 4 * 23+4∗2 Which statement correctly describes the evaluation order?

Addition is done first, then multiplication

Multiplication is done first, then addition

Both operations are done from left to right without precedence rules

The expression must be enclosed in parentheses before evaluation

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Given the prefix expression - + 8 4 3, what is its infix equivalent?

(8 + 4) - 3

8 + (4 - 3)

8 - (4 + 3)

(8 - 4) + 3

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