Subprograms (Edexcel GCSE Computer Science): Flashcards

A self-contained sequence of instructions that performs a specific task

Avoid code repetition, improve organization and readability

Functions and procedures

Performs work and returns a value

Performs an action but doesn't return a value

Actual values sent to a subprogram when calling it

Labeled boxes that receive and store values in subprograms

Ready-to-use functions/procedures available without setup

Always returns a string

Procedure (doesn't return a value)

Returns an integer (count of items)

Converts text or integers into decimal numbers

To use library subprograms/modules in your code

Returns largest whole number $\leq$ the decimal

Returns smallest whole number $\geq$ the decimal