DECOMPOSITION

KEY TERMS

Structured programming

Functionality

Structure Charts

Stepwise refinement

Modularity

Function header

Function call

Parameters (between

brackets)

Body of function

REASONS

Multiple programmers = quicker output

Repeated calls not longer program

Reuse in different programs

Identify whether 10

numbers are divisible

by 6

Get a 5-letter word and

say whether the word

starts with P or ends

with E

question1 question2

YOUR TURN:

From a group of no

more than 12 prices,

determine which is the

highest price and

calculate the new price

attracting a 10%

discount if it exceeds

$500.

FUNCTIONS IN C

http://www.mycplus.com/tutorials/c-programming-tutorials/functions/

• Basics

• Passing arguments• Returning values• Representing arrays• Global vs local

variables