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C++ Basics (1)

Authored by Long Trần

Computers

University

Used 2+ times

C++ Basics (1)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a variable in C++?

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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