
Buổi 3_ Biến trong C++ (1)

Quiz
•
Computers
•
6th - 8th Grade
•
Medium
Thanh Huyền
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu nào sau đây khai báo biến số nguyên đúng cú pháp?
int a = "5";
int a = 5;
a int = 5;
int a := 5;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu nào sau đây khai báo biến số thực đúng?
float x = 2.5;
float x = '2.5';
float = x 2.5;
float x = "2.5";
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biến char dùng để lưu kiểu dữ liệu nào?
Một từ
Một câu
Một ký tự
Một số nguyên
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lệnh nào sau đây khai báo đúng một biến char?
char x = "A";
char x = 'A';
char x = A;
char = 'A';
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lệnh nào khai báo đúng một biến logic (boolean)?
bool check = True;
boolean check = false;
bool check = true;
bool check = "true";
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của dòng lệnh sau là gì? bool x = false; cout << x;
false
0
true
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu là tên biến hợp lệ trong C++?
float
123abc
diem_so
ten hoc sinh
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