Variables, Values, and Constants Quiz

Variables, Values, and Constants Quiz

Professional Development

15 Qs

quiz-placeholder

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Variables, Values, and Constants Quiz

Variables, Values, and Constants Quiz

Assessment

Quiz

Others

Professional Development

Practice Problem

Hard

Created by

Yassmin Helaly

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a variable in programming?

A constant value that cannot be changed

A predefined keyword in C++

A value stored in a program's execution

A memory location with a name and a type

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the contents of a variable referred to as?

Value

Identifier

Type

Keyword

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the assignment operator in C++ do?

Deletes a variable

Copies the value of a variable

Declares a new variable

Increments a variable

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a constant in programming?

A keyword in C++

A variable that changes its value

A storage entity whose value cannot be changed

A temporary value in a program

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the components of a C++ program?

Values and literals

Source code and tokens

Comments and keywords

Variables and constants

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an identifier in C++?

To store a value

To declare a variable

To define a constant

To name an entity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of a bool data type in C++?

4 bytes

2 bytes

8 bytes

1 byte

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