2009 AP Computer Science A 计算机科学A真题系列之Released Exam选择题免费下载

历年 Computer Science计算机科学系列

真题与答案下载

翰林国际教育全网首发

力争超快速发布最全资料

助你在升学路上一帆风顺

为你的未来保驾护航

2009 Computer Science A Released Exam Multiple Choices Free Download

2009 计算机科学A公开卷选择题部分免费下载

此套题仅 p I含有选择题，

共计时1小时15分钟，共40题

占总分50%

仅可以使用铅笔答题

完整版下载链接见文末

部分真题预览：

2）A teacher put three bonus questions on a test and awarded 5 extra points to anyone who answered all three bonus questions correctly and no extra points otherwise. Assume that the boolean variables bonusOne, bonusTwo, and bonusThree indicate whether a student has answered the particular question correctly. Each variable was assigned true if the answer was correct and false if the answer was incorrect.

Which of the follow code segments will properly update the variable grade based on a student's performance on the bonus questions?

1. I only
2. II only
3. III only
4. I and III
5. II and III

5)When designing a class hierarchy, which of the following should be true of a superclass?

1. A superclass should contain the data and functionality that are common to all subclasses that inherit from the superclass.
2. A superclass should be largest, most complex class from which all other subclasses are derived.
3. A superclass should contain the data and functionality that a re only required for the most complex class.
4. A superclass should have public data in order to provide access for the entire class hierarchy.
5. A superclass should contain the most specific details of the class hierarchy.

38)Consider the following segment.

Which of the following best describes why the phrase "Mathematical error!" would be printed? (Remember that mathematically (a+b)*(a-b)= a² - b².)

1. Precedence rules make the if condition true.
2. Associativity rules make the if condition true.
3. Roundoff error makes the if condition true.
4. Overflow makes the if condition true.
5. A compiler bug or hardware error has occurred.

以上就是关于【2009 AP Computer Science A 计算机科学A真题系列之Released Exam选择题免费下载】的解答，如需了解学校/赛事/课程动态，可至翰林教育官网获取更多信息。

往期文章阅读推荐：

2026 AP大考热点复盘！延期+反作弊+独立出卷，理/化/微积分/北美FRQ…真题免费领！

突发！AP澳新考场全面取消，贝赛思学生遭开除！国际教育的底线不容试探