The ultimate guide to how the internet functions. Packed with simulations and tutorials that demonstrate how key components of the internet work. Computing Curriculum Software for teaching computer Science K-12. The ultimate guide to how a computer works. Packed with simulations that show how the inside of a windows pc works. Simulates the main internal functions of a windows PC. Simulates the main internal functions of a Raspberry Pi. A virtual server with main processes simulated. Includes virtual RAID drives. Simulates how a network works. Simulates a LAN.