A nice parallel to the question "Why do I click on a floppy disk to save my file...

jmpe · on Oct 31, 2013

Oh, there are a few more like that:

- there's a very good chance that the touch-pad in your new laptop uses the PS/2 protocol to communicate with the system

- why do I need to address cylinders/heads/sectors in a flash block device? I can understand sectors (block addressing) but cylinders and heads? It's FAT/EXT4 legacy, but the translation layer is still there in many OS-es.

- I recently wrote a driver for an LCD. I could have sworn I was accessing a CRT: front porch, h-sync pulse, back porch, v-sync, ...