Everything you can name in IT field..
He did not invent the home computer. IBM did.
punch card
No, 3-M did.
Floppy disk
Mark E Dean is a computer scientist and he invented the IBM computers
David Bradley was one of 12 engineers that worked on the original IBM personal computer.
Mark Dean is credited with inventing the personal computer. He holds at least 20 patents, including three of the original patents IBM had for the personal computer.
IBM manufactures IBM printers.
It is not known who with IBM has made IBM Watson
Who works in IBM..
IBM oldest computer company
I think. Therefore IBM