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	In addition to the software that tells your computer what to do, you need hardware that lets you see what you're doing (a monitor), save and retrieve what you've done (a disk drive), and print a copy of your work (a printer). Accessories like these, that plug into your computer, are called peripheral devices. Figure 1-3 shows you some of the standard Apple IIGS peripheral devices, with brief descriptions of what they do.


	Figure 1-3 Peripheral devices

		Monitor: displays instructions for using the application; displays documents you create while using the computer.

		Disk drive: reads information from disks and sends it to the computer; save your documents on disks for storage.

		Printer: produces a paper copy of a document.