Variables and Constants Quiz
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Medium
Ackeema Johnson
Used 2+ times
FREE Resource
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A variable can only store one value at a time.
A variable can only store one value at a time.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of a constant?
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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