File:Altair 4K BASIC cassette tape.jpg

Summary
Cassette tape of 4K BASIC for the MITS Altair 8800 computer with a RAM configuration of 4 kilobytes, developed by Bill Gates and Paul Allen of Micro-Soft in 1975 for Micro Instrumentation and Telemetry Systems (MITS).

Source

 * Sissejuhatus infotehnoloogiasse: seitsmekümnendad ja kaheksakümnendad (Norwegian PDF) by Tanel, AqKva konferansen. 2014-09-26.