11. Client / server architecture Clients Server View and edit Store and process
12. Software and the OS Operating system Application software Operating system Server software Desktop Server Desktop Hardware Server Hardware Firmware (BIOS) Firmware (BIOS)
13. Software Operating system Server software (eg Web Server) Firmware/BIOS Operating system Applications (eg Web Browser) Firmware/BIOS Desktop Server Network
31. Putting it altogether Operating system (Mac OS X) Operating system (Solaris) Desktop Server Network Desktop Hardware Server Hardware Firmware (BIOS) Firmware (BIOS) Application (Firefox web browser) Server software (Apache web server)