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Logic Truth Table Practice

Practice filling out truth tables for boolean expressions built from AND, OR, and NOT, with randomly generated problems and instant row-by-row feedback.

Networking Subnetting Practice Problems

Learn the manual method for IPv4 subnetting, then practice with randomly generated problems across five difficulty levels and instant feedback.

Networking VLSM Practice Problems

Practice Variable Length Subnet Masking: allocate a network into differently-sized subnets based on host requirements, then check your network, broadcast, usable range, and CIDR for each one.

Number Systems Number Base Conversion Practice

Practice converting numbers between binary, octal, decimal, and hexadecimal. Pick which two bases to convert between, then check your work with a full step-by-step explanation.

Markdown Quizzes

A JavaScript app to build online quizzes and worksheets from a bank of markdown files.

Python Truth Tables ↗

Tiny Python script to build truth tables.

Is it possible to win Tetris?

Is Tetris all about skill or luck? Find out in this video, where they delve into the game's mechanics.

8 Movies to Show in a Computer Science Classroom

Want to make your computer science classroom come alive? These 8 movies will help you do just that. From Hidden Figures to The Martian, these films will keep your students engaged and excited to learn.

Java toString Method

Discover how Java's toString() method can help you debug more effectively and improve code readability with this comprehensive guide.

The Importance of Soft Skills in Computer Science Education

Discover the importance of soft skills in computer science education. From communication and collaboration to critical thinking and problem solving, learn how soft skills can help students succeed in the classroom and beyond.