https://www.youtube.com/watch?v=ilOYLAkxxOQ
"The PicoZX - A Handheld Classic Computer Emulator" by What's Ken Making, uploaded 2024-01-12

https://upload.wikimedia.org/wikipedia/commons/e/e4/Timex_Sinclair_1000_FL.jpg
Description 	
English: The Timex Sinclair 1000 released in 1982, was the American version of the ZX81, and the first computer to cost under $100. It has black and white graphics and no sound, an integrated membrane keyboard, and an expansion slot. I was followed by the model 1500 in 1983.
Date 	25 February 2018, 16:48:24
Source 	Own work
Author 	MarcoTangerino
Public domain