eli5: how do computers tell the difference between letters and numbers

Question

eli5: how do computers tell the difference between letters and numbers

In: Technology

Answer 1

Each letter or number is stored in a list as eight 1s and 0s in the ascii format. It can check each character in that list and if the ascii code for all of them reference a number then the computer can convert it to the binary version of that number and use that to do math.