Sharp PC-7000, powered on with its built-in keyboard lowered running a GW-BASIC program that generates random lines on its electroluminescent-backlit display.
<a href="//commons.wikimedia.org/wiki/User:DigitalIceAge" title="User:DigitalIceAge">DigitalIceAge</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>