CSF 3.2 Variables and Types

What is the primary purpose of a variable in a program?

• Stores information in a program

• Executes commands in a program

• Defines functions in a program

• Controls the flow of a program

Which of the following are the three essential characteristics of a variable?

• Size, Color, Shape

• Name, Type, Value

• Location, Speed, Direction

• Function, Parameter, Return

In programming, what does the variable type 'str' represent?

• Stream

• Structure

• String

• Store

A variable of type 'str' (string) can contain which of the following?

• Only letters

• Only numbers

• Only punctuation

• Letters, numbers, punctuation, and spaces

What does the variable type 'int' signify in programming?

• Interval

• Index

• Integer

• Input

What is a key characteristic of an integer ('int') variable?

• It must be positive

• It can have a decimal component

• It cannot have a decimal component

• It can only store single digits

How does a 'float' variable differ from an 'int' variable?

• A float stores text, while an int stores numbers

• A float can have a decimal component, while an int cannot

• A float is always positive, while an int can be negative

• A float is used for logical operations, while an int is for arithmetic

What is the term for the statement used to create or modify a variable in Python?

• Declaration statement

• Execution statement

• Assignment statement

• Conditional statement

An assignment statement typically consists of three parts. What are they?

• Function name, arguments, return value

• Variable name, equals sign, value

• Data type, variable name, semicolon

• Loop, condition, increment

Which built-in Python function is used to determine the data type of a variable?

• print()

• input()

• type()

• len()