
Revision Quiz
Authored by CIY CLUB
Computers
2nd Grade
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
下面哪一个是 Sequence?
Which of the following is Sequence?
5
[1, 2, 3]
True
"hello"
Answer explanation
Sequence 指的是一个有序的序列,可以包含多个元素。
在这个选项中,只有 [1, 2, 3] 是一个由三个整数组成的有序序列。
其它选项分别是一个整数、一个布尔值 (Boolean) 和一个字符串 (String),都不是 Sequence。
2.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
下列哪项是最符合 Algorithm 的描述?
Which of the following best describes an Algortihm?
一堆计算机代码
A bunch of computer code
一种解决问题的方法
A way to solve a problem
一种编程语言
A programming language
Answer explanation
Algorithm 指的是一种解决问题的方法,是一组有序的步骤,可以用来解决某个特定的问题。
Algorithm 不同于计算机代码、编程语言等概念,它是一种通用的解决问题的方法,可以用于编程、数学、工程等领域。
3.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
哪个是 Algorithm 的例子?
Which one is an example of Algorithm?
一张照片
A photo
一首歌曲
A song
科幻小说
A science fiction novel
烹饪食谱
A cooking recipe
Answer explanation
Algorithm(算法)是一组定义良好的规则,用于解决特定问题的计算步骤。
烹饪食谱是一个常见的算法,它包含了一组定义好的步骤,用于制作特定的菜肴。
因此,"烹饪食谱" 是 Algorithm 的一个例子。
选项 "一张照片"、"一首歌曲" 和 "科幻小说" 并不是 Algorithm 的例子,因为它们并没有一组定义好的规则来解决特定问题。
4.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
什么是 Program?
What is a Program?
一种计算机设备
A type of computer device
一种数据类型
A data type
一组计算机指令
A set of computer instructions
一种算法
An algorithm
Answer explanation
Program(程序)是一组计算机指令的集合,可以被计算机执行。
在编程中,程序是一种具体的、实现细节丰富的概念,它描述了 Algorithm 中每个步骤的具体计算机指令和数据表示方式。
因此,"一组计算机指令" 最准确地描述了 program 的本质。
5.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
哪个是 Program 的例子?
Which one is an example of Program?
一个游戏
A game
一首歌曲
A song
一张图片
An image
一本书
A book
Answer explanation
在计算机编程中,Program(程序)是一组指令和数据,用于指导计算机执行某项任务。
游戏是一个常见的计算机程序,它包含了一组指令和数据,可以让用户在计算机上进行互动娱乐。
因此,"一个游戏" 是 Program 的一个例子。"一张图片"、 "一首歌曲" 和 "一本书" 并不是 Program 的例子,因为它们不是用来指导计算机执行任务的。
6.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
Loop 的作用是什么?
What is the purpose of a Loop?
读取用户输入的资料
To read user input
执行某个指令
To execute a certain instruction
重复执行一段代码
To repeat a piece of code
显示输出结果
To display output results
Answer explanation
Loop(循环)是一种常见的程序结构,它可以重复执行一段代码,直到满足某个条件为止。
在编程中,循环通常用来简化重复性的任务,例如在列表中查找数据、输出一系列数字等。
7.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
什么是 Nested Loop?
What is a Nested Loop?
数据类型
Data type
条件语句
Conditional statement
程序算法
Program algorithm
嵌套循环
Loop nested within another loop
Answer explanation
Nested loop(嵌套循环)是指在循环体中再嵌套一个或多个循环,以实现更复杂的循环逻辑。
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