(2) An electronic ballpoint pen that digitizes, stores and transfers what is written or drawn to the computer. Instead of a mouse, a digital pen provides a very natural way to hand write and hand ...

For sketching, either the pen or puck is used ... just like an ordinary computer mouse.

The widespread use of the computer mouse was still in the future, so the HP had that wonderful light pen. Mass storage was also no problem — there was a 217 kB tape drive and while earlier ...