Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. data processing equipment
8. computer equipment
9. hardware (computer)

Anotations

Scope note:

Standard input/output communications ports to control peripherals on the Macintosh platform. Peripherals may include hard drives, printers, flash drives, and other such communication devices. The SCSI allows fast communication between devices and now allows for multiple peripherals to be used in a single port.