Learning Zone ✕

Theory Concepts

Cryptography Computer Hardware Computer Networks Algorithms OOP Programming Binary Data Boolean Logic Database Concepts

Interactive Quizzes

View All Quizzes

GCSE Computer Science (UK)

1.1 System Architecture 1.2 Memory and Storage 1.3 Computer networks 1.4 Network security 1.5 – Systems software 1.6 – Impacts of digital technology
2.1 – Algorithms 2.2 – Programming fundamentals 2.3 – Producing robust programs 2.4 – Boolean logic 2.5 – Programming languages and IDEs

A-Level Computer Science (UK)

1.1 Contemporary processors, input, output and storage devices 1.2 Software and software development 1.3 Exchanging data 1.4 Data types, data structures and algorithms 1.5 Legal, moral, cultural and ethical issues
2.1 Elements of computational thinking 2.2 Problem solving and programming 2.3 Algorithms

Coding Challenges ✕

Python Challenges

Python Challenges - All Levels Python Challenges - Beginner Level Python Challenges - Intermediate Level Python Challenges - Advanced Level Python Turtle Challenges Solved Challenges

HTML / CSS & JavaScript

HTML / CSS & JavaScript

LMC

LMC Challenges LMC Simulator

SQL

SQL Challenges

Block Programming

BBC micro:bit Challenges Scratch Challenges

Interactive Coding Puzzles

Pirate Island Space Explorer Interactive Coding Quizzes

Online Interactive Tools ✕

Coding Tools

Online Python IDE LMC Simulator Flowchart Sudio Trace Table 101 Dashboard Difference Engine Emulator Analytical Engine Emulator

Design Tools

Network Designer Database ERD Designer

Logic Gates Circuits

Logic Gates Circuits Simulator Logic Gates Diagrams Binary Activities Karnaugh Maps

Cryptography Corner

Enigma Simulator Enigma Mission X Turing-Welchman Bombe Simulator Frequency Analysis Cipher Wheel Visual Cryptography Pigpen Cipher Encoder MRX20 Mission to Mars Cryptography Challenges

More results...

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
post
page
◑ Python IDE Dashboard

Member's Area ✕

Register/Sign Up

Become a Member Login Your Account Solved Challenges Membership FAQ Logout

Get In Touch

About Us Contact Us Follow Us

Books Corner

101 Python Challenges 101 Extra Python Challenges

Welcome

Boost your 
programming skills
code breaking skills
network design skills
database skills
Boolean logic skills
programming skills
Learn through practice. Pick a challenge and complete it online.
Most Recent 📆 Challenges
Python 🐍 Beginner Challenges
Python ⭐ Intermediate Challenges
Python 💫 Advanced Challenges
Python 🐢 Turtle
HTML / CSS 💻 JavaScript
Block 🔁 Programming
LMC ⚡ Challenges
Computer Science 🎓 GCSE
Computer Science 🎓 A-Level
Interactive 🏆 Quizzes
Cryptography 🔒 Challenges
Computer 💾 Hardware
Network 🌐 Design
Database 📇 Concepts
Binary 🔟 Activities
Physical 💡 Computing

  • Python Challenges

    Access our wide range of Python challenges for beginner, intermediate and advanced coders.

  • Coding Puzzles & Quizzes

    Check our range of online interactive coding puzzles to put your coding skills to the test!

  • HTML/CSS & JavaScript

    Become a web-developer and boost your coding skills with client-side languages.

  • Block Programming

    Complete our engaging block programming challenges using Scratch or using a Micro:bit.

  • Physical Computing

    Complete some challenges using a Raspberry Pi, an Arduino or a BBC micro:bit.

  • Cryptography Challenges

    Put your code breaking skills to the test by completing one of our cryptography challenges online!

  • Computing Dashboard

    Check our dashboard for a quick access to a selection of some of our most trending challenges.

  • Computer Science GCSE

    Check our challenges against the specification of the OCR Computer Science GCSE (J277)

  • Computer Science A-Level

    Check our challenges against the specification of the OCR Computer Science A-Level (H446)



Testimonials

Hello. I am a tech teacher and I just wanted to say that I love 101computing.net for its computer science teaching projects. They are some of the most thoughtful and best content on the web, and are very underestimated. Posted on our reddit hub
I have taught computing for many years and these activities have opened a new dimension, thank you for taking the time in creating these.David C. - Computer Science Teacher
How have I only just discovered @101Computing for great programming challenges?!?! Feel like I have hit gold tonightCarl T. - Posted on Twitter/X