In 1964 someone found out that it was possible to directly draw on the IBM 2250 Graphics Display Unit with a morsel of removable chalk mounted on the end of a piece of wood, which was secured to a table with a cord to prevent theft.
In 1964 someone found out that it was possible to directly draw on the IBM 2250 Graphics Display Unit with a morsel of removable chalk mounted on the end of a piece of wood, which was secured to a table with a cord to prevent theft.