(This is the older material - click here - for current specification content)

7. Problems with Von Neumann (2)

The illustration below shows the Von Neumann or stored program architecture.

stored program architecture

Problem 2

Both data and programs share the same memory space.

This is a problem because it is quite easy for a poorly written or faulty piece of code to write data into an area holding other instructions, so trashing that program.

 

 

 

Copyright © www.teach-ict.com