What is the Altair based on the paragraph?

The Altair as mentioned in the paragraph was a microcomputer developed by Micro Instrumentation and Telemetry Systems's (MITS). Its official name was the "Altair 8800 microcomputer". Altair BASIC was an interpreter that Bill Gates developed and demonstrated to MITS in March 1975 in Albuquerque, New Mexico. Paul Allen also worked on a simulator for the Altair.