Instructions written in a programming language. Source code is the text that a programmer writes, but it is not directly executable by the computer. Source code must be converted into machine ...

Bill Gates celebrated Microsoft’s 50th Anniversary by sharing the source code that created the company ... the origins of Altair Basic — a programming language interpreter for the MITS ...

To mark the occasion, Gates has released the source code he and Allen wrote for the ... claiming they had already developed a version of the BASIC programming language for the computer's processor.