Computer Science

Binary, algorithms and how the internet works.

Topics to explore

3 difficulty levels · worked examples

Dashboard

Subject

Computer Science

Binary, algorithms and how the internet works.

Core concepts

Master the essential ideas in Computer Science.

Real life skills

Learn through practical, everyday examples.

Step by step

Clear explanations that build your confidence.

Topics

Levels

Worked examples

Clear, step-by-step solutions

Keep growing

Every step brings you closer to mastery.

Computer Science practice for secondary school students in Years 7 to 11. Work through KS3 and GCSE computer science topics at Foundation, Core and Higher level, with worked examples, hints and a clear explanation of every mistake. It is tuition-style help and homework support your teenager can use in five minutes a day, earning rewards along the way.

Choose a topic

Beginner · Medium · HardB · M · H

Topic · 01

Binary & Data

Decimal to binary
Binary to decimal
Bits, bytes & units
Character encoding
Images as data

Levels

BMH

Topic · 02

Algorithms

Sequence, selection, iteration
Flowcharts
Pseudocode
Searching algorithms
Sorting algorithms

Levels

BMH

Topic · 03

Networks & the Internet

LANs vs WANs
Network hardware
The internet & the web
IP addresses & DNS
Online safety

Levels

BMH