
Session 19: Pointer
Quiz
•
Information Technology (IT)
•
University
•
Medium
academy rikkei
Used 19+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Toán tử nào được sử dụng để khai báo một con trỏ trong C?
pointer
ptr
*
&
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để lấy địa chỉ của một biến, ta sử dụng ký tự nào?
*
&
@
%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để truy cập giá trị mà con trỏ trỏ tới, ta sử dụng ký tự nào?
&
*
@
%
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hàm nào dưới đây được sử dụng để cấp phát bộ nhớ động cho con trỏ trong C?
malloc
calloc
realloc
free
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm nào dưới đây được sử dụng để giải phóng bộ nhớ đã cấp phát cho con trỏ trong C?
malloc
calloc
realloc
free
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Con trỏ void có thể trỏ tới loại dữ liệu nào?
int
char
float
bất kỳ loại dữ liệu nào
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Con trỏ có thể được sử dụng để trỏ tới gì trong C?
biến
hàm
vùng nhớ
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