3.3 Data RepresentationDiagram

Binary Place Values and Conversion

Part of Binary & Hex · GCSE GCSE Computer Science revision

This diagram covers Binary Place Values and Conversion within Binary & Hex for GCSE Computer Science. Revise Binary & Hex in 3.3 Data Representation for GCSE Computer Science with 16 exam-style questions and 22 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 15 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 2 of 15

Practice

16 questions

Recall

22 flashcards

Binary Place Values and Conversion

Binary place value diagram showing an 8-bit number with place values 128, 64, 32, 16, 8, 4, 2, 1 from left to right (MSB to LSB), with an example conversion of denary to binary and hexadecimal showing the 4-bit grouping shortcut

Keep building this topic

Read this section alongside the surrounding pages in Binary & Hex. That gives you the full topic sequence instead of a single isolated revision point.

The Three Languages Deep Dive: Why Do We Need Different Number Systems?Number Systems Comparison Binary: The Computer's Language

Practice Questions for Binary & Hex

Which of the following correctly describes the hexadecimal number system?

A. Base 2, using digits 0 and 1
B. Base 8, using digits 0 to 7
C. Base 16, using digits 0-9 and letters A-F
D. Base 16, using digits 0-9 and letters A-G

1 markfoundation

Explain why hexadecimal is used instead of binary when programmers write memory addresses and colour codes. Give three reasons.

3 marksstandard

Quick Recall Flashcards

16 questions on Binary & Hex — practise free

Instant marking, adaptive difficulty, and 22 spaced repetition flashcards. Free until your GCSEs.

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The Three Languages

Deep Dive: Why Do We Need Different Number Systems?