The Altair 8800 is a microcomputer introduced in 1975, often credited with sparking the personal computer revolution. Designed by MITS, it featured an Intel 8080 processor and came as a kit that users could assemble themselves. The computer used a series of switches for input and had LED lights for output, making it a unique and hands-on experience for early tech enthusiasts. The Altair 8800 gained popularity after being featured on the cover of Popular Electronics magazine, attracting hobbyists and developers. It also inspired the creation of the first version of the Microsoft BASIC programming language, further solidifying its place in computing history.