• Hardware
  • Memory
    • CMOS Battery backup RAM (
    • RAM for each (chip type) (
      • Dynamic
      • Static
    • ROMs also: Device Programmers 
      • PROM
      • EPROM
      • EEPROM
      • FLASH
    • Controllers
    • Hard/floppy drives Disk Drives (for each MFGR and type) (
    • CD Drives

See Also:

• "Practical Dynamic Memory System Design" by Rob Belics, Byte December 1982 pg 372