CDs and DVDs are well known examples of storage devices.
A storage device can be defined as any tool used to store data in a computer.
A student types text into a word processing program can be defined as an input whereas a computer that checks and compares all words entered to find misspellings refers to processing.
The computer shows possible misspellings on the screen may represent the output and saving documents to the hard disk is storage.
In conclusion, CDs and DVDs are examples of storage devices.
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