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This page is part of the old A451 specification - current syllabus here

1. Introduction

Specification point:

Handling data in algorithms

i) Define the terms variable and constant as used in an imperative language

ii) Use variables and constants

iii) Describe the data types integer, real, boolean, character and string

iv) Select an justify appropriate data types for a given program

v) Perform common operations on numeric and Boolean data

vi) Use one dimensional arrays


This section is all about handling data within an algorithm or program. Data come in various forms and so they need to be handled differently. This mini-web covers the data types you need to learn.