极客争霸赛-第四回合
Quiz
•
Computers
•
10th Grade
•
Medium
Zoey Zhu
Used 9+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于算法的概念,正确的叙述是( )。
算法就是流程图
算法就是为解决某一问题而设计的确定的步骤
算法就是为解决某一问题而设计的有限的步骤
算法就是为解决某一问题而设计的确定的有限的步骤
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于变量的说法,错误的是( )。
变量对应计算机内部的存储单元
数据存储到某个变量,当数据被读取后,变量中的数据就变为空
在算法执行过程中可以读取变量的值,也可以将数据存储到指定的变量中
对变量的赋值操作将改变该变量中原来的值
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
流程图中的判断框,有( )。
一个入口和两个出口
两个入口和一个出口
一个入口和一个出口
两个入口和两个出口
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一算法如下所示,这种描述算法的方法是( )。
(1)定义变量a, b,c;
(2)将3赋值给a;
(3)将4赋值给b;
(4)将a,b的和赋值给c;
(5)输出c;
自然语言
流程图
伪代码
以上都不是
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
流程图的符号中,矩形框一般作为( )。
处理框
输入输出框
连接圈
开始结束框
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x符合条件“(x>=0) AND (x<10)”, 则x的取值范围是( )。
[0,10)
[0,10]
(0,10]
(0,10)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下不属于算法基本特征的是()。
有确切含义的
步骤是有穷的
有二义性的
有输出的
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