Unit 6 - 6.1 - 6.2 Review Questions

What are the 3 stages while working with variables?

• Declare, initializing, assigning

• Creating, deleting, modifying

• Naming, storing, retrieving

• Inputting, outputting, processing

What are the 3 basic types of variables?

• Number, boolean, string

• Integer, float, character

• Array, object, function

• List, set, dictionary

What are the 2 types of numeric variables?

• Integers, floats

• Whole numbers, fractions

• Decimals, percentages

• Positive, negative

How many types do Boolean variables have?

• 2

• 3

• 4

• 5

What are the two possible values for Boolean variables?

• True, false

• Yes, no

• On, off

• High, low

Which of the following best describes a string in programming?

• Strings are enclosed in quotes

• Strings are used for calculations

• Strings are logical values

• Strings are collections of elements

What 3 characters must a variable start with?

• Lower case letter, $, _

• Upper case letter, &, #

• Number, %, @

• Symbol, *, !

Are variable names case sensitive?

• True

• False

• Sometimes

• Never

Which variable type is "var numApples = 3;"?

• Integer

• Float

• Boolean

• String

Which variable type is "var costOfApples = 2.50;"?

• Float

• Integer

• Boolean

• String