A-Level Computer Science · Syllabus 1.1
Data representation
Coursebook chapter 1: Information representation and multimedia
No chapter review yet. It is on its way.
InteractiveBinary Prefixes, Number Bases, BCD and Hexadecimal1.1.1 Kibi and kilo prefixes, binary, denary and hexadecimal conversions, BCD and where BCD and hex are used, with animations, labs and 11 exam questions.Open →
InteractiveNegative Integers, Binary Addition and Subtraction, and Overflow1.1.2 One's and two's complement, binary addition and subtraction with the working shown, overflow, labs and 11 exam questions.Open →
InteractiveCharacter Sets: ASCII, Extended ASCII and Unicode1.1.3 How characters are stored as codes, ASCII against extended ASCII against Unicode, text file sizes, labs and 7 exam questions.Open →
Extra activities that deepen understanding or give more support. Shown in syllabus order.
No extra resources for this chapter yet.
Deleted: hidden from students and progress. Only you can see this tab.