Basic Data Types and Variables

Front

What values does a Boolean store?

Back

TRUE or FALSE

Front

What is a common use for Boolean values?

Back

Often used as flags to indicate the result of a condition.

Front

What does a String store?

Back

A string of characters, used to store text such as names or telephone numbers.

Front

What type of values does an Integer store?

Back

Whole number values, positive or negative, used to store data which will never have a decimal value such as quantities.

Front

What type of values does a Float/Decimal store?

Back

Decimal values, used to store fractional values such as prices.

Front

What is a variable?

Back

A variable is a named memory address that holds a value, which can change as the program is running.

Front

What are the rules for naming a variable?

Back

It can contain letters and numbers but must start with a letter. It must not contain special or punctuation characters, an underscore can be used but spaces are not allowed. The name should be meaningful and represent the value it is holding.

Front

What is the simplest type of program?

Back

A sequence of instructions to be carried out in the order they are written.

Front

What is an array?

Back

An array is a collection of elements, all of the same type, stored in contiguous memory locations.

Front

What is a function in programming?

Back

A function is a block of code designed to perform a particular task, which is executed when it is called.