I came here to write the same. I learned a thing or two about how higher level languages work. Two areas I find it does matter: Assembly language where bytes

I came here to write the same. I learned a thing or two about how higher level languages work. Two areas I find it does matter: Assembly language where bytes are parsed or sorted, or transformed in some way by code that writes words , and binary file representations when written on a little endian machine and read by a big endian machine.