A computer is a platform for information processing.
Sorry, you can’t get around that definition.
It doesn’t matter if the information is a series of holes on a card, or modern computer programing language.
A computer is simply a device that processes information
That’s not a modern computer. I’m sorry - I’m not giving credit for modern computers to whatever egyptian poppy addict invented the first astrolabe It meets the same definition you provide but it’s just not a modern computer.