CS01-03 Computer Science Watch
Why hexadecimal exists
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In this lesson
In this video you'll learn about why hexadecimal exists for GCSE Computer Science.
By the end: Explain why hexadecimal is used in computer science, and distinguish the characteristics of hexadecimal from the benefits of using it.
What it covers
- 0:56 Why hexadecimal exists: the human problem + the digit set
- 3:06 Why base sixteen
- 4:51 One byte, two writings
- 7:21 Exam technique
- 12:21 What's next
Key words
For: AQA GCSE 8525, Edexcel GCSE 1CP2
On the specification
| Board | Spec | Statement |
|---|---|---|
| AQA GCSE 8525 | 3.3.1 | Number bases |
| Edexcel GCSE 1CP2 | 2.1.6 | Binary |
For teachers
This GCSE Computer Science lesson teaches why hexadecimal exists. By the end, students should be able to explain why hexadecimal is used in computer science, and distinguish the characteristics of hexadecimal from the benefits of using it. It works through two worked examples and the mistakes examiners report.