Understanding Variables and Data Types

Front

Variable definition

Back

named storage location for data in a program

Front

Integer data type

Back

numbers, positive or negative, without decimals

Front

String data type

Back

of characters, such as text

Front

Boolean data type

Back

true or false values

Front

Assigning a value to a variable

Back

Front

Identifying data type of 3.14

Back

double

Front

Difference: integer vs. double

Back

has no decimals; double includes decimals

Front

Choosing data type for storing age

Back

since age is a whole number

Front

Reason for using Boolean in conditional statements

Back

represent and evaluate true/false conditions

Front

Planning variable types for a student record system

Back

string for names, integer for age, Boolean for enrollment status