OCR J277 Paper 1 · 1.2.4a

Data Storage: Numbers

Binary, denary, hexadecimal, and binary shifts—how and why to convert

Revision notes

• a.Numbers: How to convert positive denary whole numbers to binary numbers (up to and including 8 bits) and vice versa
• b.Numbers: How to add two binary integers together (up to and including 8 bits) and explain overflow errors which may occur
• c.Numbers: How to convert positive denary whole numbers into 2-digit hexadecimal numbers and vice versa
• d.Numbers: How to convert binary integers to their hexadecimal equivalents and vice versa
• e.Numbers: Binary shifts