My first Computer was a Slide Rule, followed by a Commodore 64. I worked for IBM from 1982 to 1992, we had 4 mainfraimes and used punch cards, tape drives and removable disks. I think the laptop I am writing this on has more capacity and power than the largest mainframe.
My first real computer was a IBM PCJX - 8088 processor 4.77k, 64k ram, 2 x 720k 3.5 inch floppies, no harddrive. It actually had a CGA colour monitor..