
Expression Evaluation Quiz

Quiz
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Other
•
University
•
Hard
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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