
強迫轉型
Interactive Video
•
Computers
•
11th Grade
•
Practice Problem
•
Hard
張瓊云 張瓊云
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
執行 `int i = (int) 3.33;` 這段程式碼後,變數 `i` 的值會是多少?
3
3.33
錯誤
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ASCII 字元集的碼點範圍是多少?
0-255
0-127
0-65535
0-9999
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種文字符號不被 ASCII 字元集支援?
英文字母
阿拉伯數字
常用英文符號
中文字元
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unicode 字符集創建的主要目的是什麼?
取代 ASCII
支援更多程式語言
讓世界上每個人都能在電腦上閱讀自己的文字
簡化二進位儲存
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於 UTF-32 編碼,下列敘述何者正確?
每個字元都以可變長度儲存,以節省空間。
對於英文字元,其儲存空間效率與 ASCII 相同。
每個字元都以固定的 32 位元(即 4 位元組)長度儲存。
無法明確區分每個字元的邊界。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
UTF-8 編碼相較於其他編碼方式,其中一個優點是?
它使用固定長度編碼,方便處理。
它與 ASCII 編碼完全相容,可以直接讀取 ASCII 文本。
它在 1992 年之前就已廣泛使用。
它對所有字元都使用相同的位元組數。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
UTF-8 編碼如何實現空間節約?
它將所有字元壓縮成單一位元組。
它只儲存字元的十進制碼點。
它針對不同字元使用可變的位元組長度,碼點小的字元使用較短長度。
它透過移除所有前導零來縮短編碼。
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