Changes

Most modern computer systems also have peripheral devices:

Most modern computer systems also have peripheral devices:

* '''Storage.'''  Large amounts of lower-speed, less-expensive hardware where data can be stored for later retrieval.  Storage can be local or it can be remotely accessed via a network.  The most typical form of local storage are hard disks, SSDs, thumb drives, and DVDROMs.  Older mass storage devices include punch cards, paper tapes, magnetic tapes, and CDROMs.

* '''Storage.'''  Large amounts of lower-speed, less-expensive hardware where data can be stored for later retrieval.  Storage can be local or it can be remotely accessed via a network.  The most typical form of local storage are hard disks, SSDs, thumb drives, and DVDROMs.  Older mass storage devices include punch cards, paper tapes, magnetic tapes, and CDROMs.

* '''Other I/O devices.''' Any number of optional peripheral devices are available for computers, including [[Computer mouse|mice]], scanners, card readers, [[network]] interfaces, [[terminals]], and [[printers]].

* '''Other I/O devices.''' Any number of optional peripheral devices are available for computers, including [[Computer mouse|mice]], scanners, card readers, [[network]] interfaces, [[terminals]], and [[Printer (computing)|printers]].

==Binary and ternary==

==Binary and ternary==