Computer Science

used in a subroutine to allow values to be passed into them

values held in the brackets of a subroutine call, which are passed into a subroutine via the parameters

Variables inside a subroutine

British English CC

Functions

Structured programming

Procedures

Global and local variables

Creating an XOR function

Programming project: subroutines I

Programming project: subroutines II

In this unit pupils will be introduced to structured programming. They will explore the differences between functions and procedures and use functions to return values in programs. They will be introduced to the concept of scope and how parameters can be used to reduce the need for global variables.

Programming: subroutines

to perform a specific task and return a value

What is the primary purpose of a function in programming?

Which keyword is used to define a function in Python?

What are the values passed to a function called?

a named block of code that performs a task and returns a value

values used by the function that are passed to it when it is called

values provided to a function at the time it is called

Match the following terms and definitions.

A function can have __________ parameters.

The keyword used to send a value back from a function is {{}}.

A {{}} is a section of code that performs a specific task.

What is the correct syntax for defining a procedure in Python?

A procedure returns a value, a function does not.

A function returns a value, a procedure does not.

What is the difference between a procedure and a function?

a subroutine that executes a block but does not return a value

an expression that passes control and arguments to a subroutine

The values passed to a procedure when it is called are called {{}}.

The variables defined inside a procedure are called {{}}.

Functions

Lesson outcome