teach-ict.com logo

THE education site for computer science and ICT

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

1. Introduction

Specification point:

i) Explain the use of binary codes to represent characters

ii) Explain the term, 'character set'

iii) Describe with examples (for example ASCII and Unicode) the relationship between the number of bits per character in a character set and the number of characters which can be represented.