What is a variable in C++?
C++ Basics (1)

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Computers
•
University
•
Medium
Long Trần
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A keyword that holds a constant value
A memory location that stores a value and can change during program execution
A function that performs a task
A literal that cannot be modified
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid way to declare a constant in C++?
int const PI = 3.14;
constant int PI = 3.14;
const int PI = 3.14;
double PI = 3.14;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an integer data type in C++?
float
char
int
bool
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the following code? bool x = true; cout in a C++ program?
To include standard input/output functions
To define constants
To declare variables
To create a new library
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of x after the following code? int x = 5; x += 3;
5
8
3
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to read input from the console in C++?
cin >> variable;
get(input);
input(variable);
scanf("%d", &variable);
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following symbols is used for comments that span multiple lines in C++?
//
/* */
#
{}
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