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CS01-05 Computer Science Watch

Binary and hexadecimal

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In this lesson

In this video you'll learn about binary and hexadecimal for GCSE Computer Science.

By the end: Convert between binary and hexadecimal in both directions, using the four-bit grouping.

What it covers

  1. 3:16 Binary to hex, worked
  2. 4:48 Padding and the from-the-right rule
  3. 6:50 Hex to binary
  4. 9:13 Exam technique
  5. 12:00 Locators and close

Key words

hexadecimalbinaryconvertnibble

For: AQA GCSE 8525, Edexcel GCSE 1CP2, OCR GCSE J277

On the specification

BoardSpecStatement
AQA GCSE 85253.3.2Converting between number bases
Edexcel GCSE 1CP22.1.6Binary
OCR GCSE J2771.2.4Data storage - Numbers
For teachers

This GCSE Computer Science lesson teaches binary and hexadecimal. By the end, students should be able to convert between binary and hexadecimal in both directions, using the four-bit grouping. It works through three worked examples and the mistakes examiners report.