A program and its data are both stored in memory in the von Neumann architecture. It is thus possible for a program to modify itself accidentally (or on purpose) by mistaking a memory location for a...

A program and its data are both stored in memory in the von Neumann architecture. It is thus possible for a program to modify itself accidentally (or on purpose) by mistaking a memory location for a piece of data when it actually contains a program instruction. What are the ramifications for you as a programmer?