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Variables and Constants Quiz

Authored by Ackeema Johnson

Computers

9th - 12th Grade

Used 2+ times

Variables and Constants Quiz
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  1. A variable can only store one value at a time.


True
False

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a constant?

Hello
True
42
x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scenario: Jane is an IT student that needs to calculate the area of a circle. She uses a variable named 'radius' and a constant named 'pi' to represent the mathematical constant pi. 

Can Jane can change the value of 'pi' during processing?

Yes

No

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a variable ?

A reserved word in a programming language

A fixed value that never changes

A storage location with a name that holds a changing value

A special symbol used in calculations

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a valid variable name?

total-marks

2ndStudent

if

student_name

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main difference between a variable and a constant?

Variables store numbers, while constants store text

Variables can change value, while constants remain fixed

Constants take up more memory than variables

Variables must be written in uppercase letters

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a correct rule for naming variables?

Variable names must begin with a letter or underscore

Variable names cannot contain spaces

Variable names can begin with special symbols like @ and #

Variable names should be meaningful and descriptive

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