Having no distinction between code and data is the 'default' on Von Neumann architectures. Harvard architectures kept code and data in physically separate stora

Having no distinction between code and data is the 'default' on Von Neumann architectures. Harvard architectures kept code and data in physically separate storage. http://en.wikipedia.org/wiki/Von_Neumann_architecture http://en.wikipedia.org/wiki/Von_Neumann_architecture http://en.wikipedia.org/wiki/Harvard_architecture http://en.wikipedia.org/wiki/Harvard_architecture