a display interface 402 that forwards graphics text and other data from the communication infrastructure 406 or from a frame buffer not shown for display on a display unit 430 computer system 400 may include a main memory 408 preferably random access memory ram and may also include a secondary memory 410 the secondary memory 410 may include for example a hard disk drive 412 and or a removable storage drive 414 representing a floppy disk drive a magnetic tape drive an optical disk drive etc the removable storage drive 414 may read from and or write to a removable storage unit 418 in a well known manner removable storage unit 418 represents a floppy disk magnetic tape optical disk etc which may be read by and written to removable storage drive 414 as will be appreciated the removable storage unit 418 may include a computer usable storage medium having stored therein computer software and or data alternative aspects of the present invention may include secondary memory 410 and may include other similar devices for allowing computer programs or other instructions to be loaded into computer system 400 such devices may include for example a removable storage unit 422 and an interface 420 examples of such may include a program cartridge and cartridge interface such as that found in.