
quiz1
Authored by Zoey Zhu
Computers
10th Grade
Used 5+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
信息或数据必须经过数字化过程才能保存到计算机中。以下说法正确是 。
在计算机中,声音是以二进制形式存储的,图像是以ASCII码形式存储的
在计算机中,字符是以二进制形式存储的,数值是以ASCII码形式存储的
在计算机中,数值是以二进制形式存储的,字符也是以二进制形式存储的
在计算机中,数值和字符都是以ASCII码形式存储的
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
以下关于十六进制数的描述中,说法正确是 。
十六进制数的位权为16
十六进制数C代表13
十六进制可表示的数值范围比二进制大
每一位十六进制数对应4位二进制数
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
二进制数101011右起第四位上的1相当于十进制 。
24
23
22
21
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
目前计算机中普遍采用的数字和英文字符等符号的编码是ASCII码,它采用 位二进制数表示,所以可以表示 不同的字符。
7,128种
1,128种
1,256种
8,256种
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如用ASCII码表示,字符“0”、 “H”和“h”,这三者的ASCII码的值大小关系是 。
“0” < “H” = “h”
“0” < “H” < “h”
“0” > “H” = “h”
“h” < “0” < “H”
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
以下属于无损压缩文件的格式有 。
RAR
MPEG
JPG
RM
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
关于判断框和分支结构、叙述正确的是_____。
判断框有一个出口、分支结构也有一个出口
判断框有二个出口、分支结构也有二个出口
判断框有一个出口、分支结构有二个出口
判断框有二个出口、分支结构有一个出口
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