Answer:
Altair BASIC programming language
Step-by-step explanation:
The Altair BASIC programming language was built for the Altair 8800 microcomputer by childhood friends, Bill Gates and Paul Allen in March 1975
The interpreter for the Altair BASIC programming language was developed by Bill Gates while Paul Allen worked on the simulator
The newly developed programming language worked without flaw during the demonstration to Micro Instrumentation and Telemetry Systems, MITS
Microsoft was founded by Bill Gates and Paul Allen on the 4th of April 1975