OCR J277 Paper 1 · 1.2.4b

Data Storage: Characters

Binary representation of characters and comparison of character sets, including ASCII

Revision notes

• c.ii.Calculate file sizes of text
• f.Characters: The use of binary codes to represent characters
• g.Characters: The term 'character set'
• h.Characters: The relationship between the number of bits per character in a character set, and the number of characters which can be represented, e.g. ASCII, Unicode