A external hard drive that is outside of the computer case in its own space. Most external hard drives support IDE and a bigger than a hard drive. An external hard drive is connected along with the computer system via interface cable.
A single USB port can be used to connect up to 127 peripheral devices, such as mice, modems, and keyboards. USB also supports Plug-and-Play installation and hot plugging.
A flash card is a small data storage device that uses a flash memory chip to store data. Flash cards can be quite small in size, with a capacity of many gigabytes of storage. The memory in these cards is non-volatile, so it does not require a power source to remain intact. There are many different devices that use these cards, and numerous companies that manufacturer different formats.
A CD ROM is short for Compact Disc-Read-Only Memory. CD ROM is a type of optical disk capable of storing large amounts of data.
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