What data type should you use to hold whether a person passed or failed a class?

Question

BlackTom AI · Accepted Answer

Let's examine the scenario: we want to store a simple pass/fail status for a person in a class. This is inherently a binary condition, meaning there are only two possible states.

Option 1: String. A string could technically hold values like "passed" or "failed", but it requires more memory and processing to compare and check equality, and there's a higher chance of inconsistent values (e.g., capitalization, typos). It's not the most efficient or reliable choice for a binary flag.

Option 2: double. A double is a floating-point numeric type used for real numbers with decimals. It has nothing to do with representing binary states like pass/fail, so this choice is inappropriate.

Option 3: boolean. A boolean is designed exactly for binary states, representing true/false (e.g., passed = true, failed = false). This keeps the data compact and comparisons straightforward.

Option 4: int. An int is an integer. While you could encode pass/fail as 1/0, this adds an unnecessary layer of encoding compared to using a boolean, and it could lead to misinterpretation if 0 or 1 were used inconsistently.

Option 5: None of these. Since a boolean exists and fits the need, this option is incorrect.

In summary, the boolean data type is the most suitable and conventional choice for representing a pass/fail condition, providing clarity and efficient use of memory. The other options introduce unnecessary complexity or do not align with the binary nature of the problem.

What data type should you use to hold whether a person passed or failed a class?单项选择题

类似问题

In the application shown below what data type is Tall? Begin Input Height If Height > 1.9 Then Tall ← True Else Tall ← False End If Print Tall End

Which data type is used to store true/false values?

When the following expression is evaluated, the result will be what Python data type? 3 > 5

An expression with a logical operator evaluates to what data type?

Identify the data type that stores either True or False data values.

The Yes/No data type can be used for a field that requires a [选择] coded binary singular input.

In the application shown below what data type is Tall? Begin Input Height If Height > 1.9 Then Tall ← True Else Tall ← False End If Print Tall End

Select the values that a variable of type boolean can have

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单