How does a computer actually draw text on the screen? How does it scan the keyboard? Dave takes us back to basics to show us how a computer works by exploring an ancient one: the Commodore PET.

For information on my book, "Secrets of the Autistic Millionaire":
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Information on the late, great, Jim Butterfield: https://en.wikipedia.org/wiki/Jim_But...

Full credit to "The 8-Bit Guy" for the keyboard matrix images! Check out the full episode here:    • Commodore PET Repair and Restore